diff --git a/Vita/Makefile b/Vita/Makefile
new file mode 100644
index 0000000..36047f2
--- /dev/null
+++ b/Vita/Makefile
@@ -0,0 +1,44 @@
+TITLE_ID = ECDP00001
+TARGET   = eCDPKeyGen
+OBJS     = eCDP.o sound.o main.o menu.o draw.o bg.o logo.o box_unsel.o box_sel.o bgm.o se_back.o se_confirm.o se_type.o
+
+LIBS = -lvita2d -lSceDisplay_stub -lSceGxm_stub \
+	-lSceSysmodule_stub -lSceCtrl_stub -lScePgf_stub -lScePvf_stub \
+	-lSceCommonDialog_stub -lfreetype -lpng -ljpeg -lz -lc -lSceAppMgr_stub \
+	-lsoloud -lpthread -lSceAudio_stub -lstdc++ -lm
+
+PREFIX  = arm-vita-eabi
+CC      = $(PREFIX)-gcc
+CXX		= $(PREFIX)-g++
+CFLAGS  = -Wl,-q -Wall -fno-lto
+CXXFLAGS  = -Wl,-q -Wall -std=c++11
+ASFLAGS = $(CFLAGS)
+
+all: $(TARGET).vpk
+
+%.vpk: eboot.bin
+	vita-mksfoex -s TITLE_ID=$(TITLE_ID) "$(TARGET)" param.sfo
+	vita-pack-vpk -s param.sfo -b eboot.bin -a sce_sys/icon0.png=sce_sys/icon0.png -a sce_sys/pic0.png=sce_sys/pic0.png -a sce_sys/livearea/contents/bg.png=sce_sys/livearea/contents/bg.png -a sce_sys/livearea/contents/template.xml=sce_sys/livearea/contents/template.xml $@
+
+eboot.bin: $(TARGET).velf
+	vita-make-fself -s $< $@
+
+%.velf: %.elf
+	vita-elf-create $< $@
+
+$(TARGET).elf: $(OBJS)
+	$(CC) $(CFLAGS) $^ $(LIBS) -o $@
+%.o: %.cpp
+	$(CXX) -c $(CXXFLAGS) $^ $(LIBS) -o $@
+	
+%.o: %.png
+	$(PREFIX)-ld -r -b binary -o $@ $^
+
+%.o: %.ogg
+	$(PREFIX)-ld -r -b binary -o $@ $^
+
+%.o: %.wav
+	$(PREFIX)-ld -r -b binary -o $@ $^
+clean:
+	@rm -rf $(TARGET).vpk $(TARGET).velf $(TARGET).elf $(OBJS) \
+		eboot.bin param.sfo
diff --git a/Vita/bg.png b/Vita/bg.png
new file mode 100644
index 0000000..aa887a6
Binary files /dev/null and b/Vita/bg.png differ
diff --git a/Vita/bgm.ogg b/Vita/bgm.ogg
new file mode 100644
index 0000000..69ee5e2
Binary files /dev/null and b/Vita/bgm.ogg differ
diff --git a/Vita/box_sel.png b/Vita/box_sel.png
new file mode 100644
index 0000000..1c0e9cd
Binary files /dev/null and b/Vita/box_sel.png differ
diff --git a/Vita/box_unsel.png b/Vita/box_unsel.png
new file mode 100644
index 0000000..6d69eb9
Binary files /dev/null and b/Vita/box_unsel.png differ
diff --git a/Vita/components.c b/Vita/components.c
new file mode 100644
index 0000000..e69de29
diff --git a/Vita/draw.c b/Vita/draw.c
new file mode 100644
index 0000000..6d3b1b8
--- /dev/null
+++ b/Vita/draw.c
@@ -0,0 +1,138 @@
+#include "draw.h"
+#include <vita2d.h>
+#include <string.h>
+
+const char* MAC_DEVIDER = ":";
+
+vita2d_texture *bg;
+vita2d_texture *logo;
+
+vita2d_texture *box_unsel;
+vita2d_texture *box_sel;
+
+vita2d_pgf *pgf;
+vita2d_pvf *pvf; 
+
+void start_draw(){
+	vita2d_start_drawing();
+	vita2d_clear_screen();
+	
+	vita2d_draw_texture(bg, 0, 0);
+	vita2d_draw_texture(logo, (SCREEN_WIDTH/2) - (LOGO_WIDTH/2), 45);		
+}
+
+void end_draw(){
+	vita2d_end_drawing();
+	vita2d_swap_buffers();	
+}
+
+void finalize_draw(){
+	vita2d_fini();
+	vita2d_free_texture(bg);
+	vita2d_free_texture(logo);
+	vita2d_free_texture(box_unsel);
+	vita2d_free_texture(box_sel);
+	vita2d_free_pgf(pgf);
+	vita2d_free_pvf(pvf);
+}
+void init_draw(){
+	vita2d_init();
+	vita2d_set_clear_color(RGBA8(0xFF, 0xFF, 0xFF, 0xFF));
+	
+	pgf = vita2d_load_default_pgf();
+	pvf = vita2d_load_default_pvf();
+
+	bg = vita2d_load_PNG_buffer(&_binary_bg_png_start);
+	logo = vita2d_load_PNG_buffer(&_binary_logo_png_start);
+
+	box_unsel = vita2d_load_PNG_buffer(&_binary_box_unsel_png_start);
+	box_sel = vita2d_load_PNG_buffer(&_binary_box_sel_png_start);
+
+}
+void draw_text_center(int y, char* msg) {
+	float size = 1.0f;
+	int textWidth = 0;
+	int textHeight = 0;
+	vita2d_pgf_text_dimensions(pgf, size, msg, &textWidth, &textHeight);
+	int textPos = (SCREEN_WIDTH/2) - (textWidth/2);
+	vita2d_pgf_draw_text(pgf, textPos, y, COLOR_WHITE, size, msg);
+}
+
+void draw_mac_picker(int y, char* octlets, int pos) {
+	float size = 1.0f;
+
+	size_t totalOctlets = strlen(octlets);
+	char octlet[2];
+	memset(octlet, 0, sizeof(octlet));
+	
+	int deviderWidth = 0;
+	int deviderHeight = 0;	
+	vita2d_pgf_text_dimensions(pgf, size, MAC_DEVIDER, &deviderWidth, &deviderHeight);
+	
+	int boxX = ((SCREEN_WIDTH/2) - (totalOctlets * (BOX_WIDTH + BOX_SPACING))/2);
+	
+	for(int i = 0; i < totalOctlets; i++) {
+		octlet[0] = octlets[i];
+		int octletWidth = 0;
+		int octletHeight = 0;	
+		
+		vita2d_pgf_text_dimensions(pgf, size, octlet, &octletWidth, &octletHeight);
+		int octletPosX = boxX +((BOX_WIDTH/2) - (octletWidth/2));
+		int octletPosY = y + ((BOX_HEIGHT - octletHeight) + (BOX_HEIGHT/2 - octletHeight/2));
+		
+		if( i == pos ) {
+			vita2d_draw_texture(box_sel, boxX, y);	
+			vita2d_pgf_draw_text(pgf, octletPosX, octletPosY, SELECTED_COLOR, size, octlet);
+		}
+		else {
+			vita2d_draw_texture(box_unsel, boxX, y);
+			vita2d_pgf_draw_text(pgf, octletPosX, octletPosY, UNSELECTED_COLOR, size, octlet);
+		}
+		
+		
+		if( ((i+1) % 2) == 0 && (i+1 < totalOctlets)) {
+			boxX += (BOX_WIDTH + (BOX_SPACING/2));
+			int deviderPosY = y + ((BOX_HEIGHT - deviderHeight) + (BOX_HEIGHT/2 - deviderHeight/2));
+			vita2d_pgf_draw_text(pgf, boxX, deviderPosY, COLOR_WHITE, size, MAC_DEVIDER);
+			boxX += deviderWidth + (BOX_SPACING/2);
+		}
+		else{
+			boxX += (BOX_WIDTH + BOX_SPACING);
+		}
+			
+	}
+}
+
+void draw_number_picker(int y, char* digits, int pos) {
+	float size = 1.0f;
+
+	size_t totalDigits = strlen(digits);
+
+
+	char digit[2];
+	memset(digit, 0, sizeof(digit));
+
+	
+	int boxX = (SCREEN_WIDTH/2) - (totalDigits * (BOX_WIDTH + BOX_SPACING))/2;
+	
+	for(int i = 0; i < totalDigits; i++) {
+		digit[0] = digits[i];
+		int digitWidth = 0;
+		int digitHeight = 0;	
+		
+		vita2d_pgf_text_dimensions(pgf, size, digit, &digitWidth, &digitHeight);
+		int digitPosX = boxX +((BOX_WIDTH/2) - (digitWidth/2));
+		int digitPosY = y + ((BOX_HEIGHT - digitHeight) + (BOX_HEIGHT/2 - digitHeight/2));
+		
+		if( i == pos ) {
+			vita2d_draw_texture(box_sel, boxX, y);	
+			vita2d_pgf_draw_text(pgf, digitPosX, digitPosY, SELECTED_COLOR, size, digit);
+		}
+		else {
+			vita2d_draw_texture(box_unsel, boxX, y);
+			vita2d_pgf_draw_text(pgf, digitPosX, digitPosY, UNSELECTED_COLOR, size, digit);
+		}
+		
+		boxX += (BOX_WIDTH + BOX_SPACING);
+	}
+}
\ No newline at end of file
diff --git a/Vita/draw.h b/Vita/draw.h
new file mode 100644
index 0000000..8489fc5
--- /dev/null
+++ b/Vita/draw.h
@@ -0,0 +1,34 @@
+
+#define SCREEN_WIDTH 960
+#define SCREEN_HEIGHT 544
+
+#define LOGO_WIDTH 424
+#define LOGO_HEIGHT 160
+
+#define BOX_HEIGHT 32
+#define BOX_WIDTH 32
+#define BOX_SPACING 8
+
+#define COLOR_WHITE ( RGBA8(251,251,251,255) )
+#define COLOR_BLACK ( RGBA8(0,0,0,255) )
+
+#define UNSELECTED_COLOR COLOR_WHITE
+#define SELECTED_COLOR COLOR_BLACK
+
+extern unsigned char _binary_bg_png_start;
+extern unsigned char _binary_logo_png_start;
+
+extern unsigned char _binary_box_unsel_png_start;
+extern unsigned char _binary_box_sel_png_start;
+
+
+void init_draw();
+void finalize_draw();
+
+void start_draw();
+void end_draw();
+
+void draw_text_center(int y, char* msg);
+void draw_number_picker(int y, char* digits, int pos);
+void draw_mac_picker(int y, char* octlets, int pos);
+
diff --git a/Vita/eCDP.c b/Vita/eCDP.c
new file mode 100644
index 0000000..bd9f662
--- /dev/null
+++ b/Vita/eCDP.c
@@ -0,0 +1,203 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdint.h>
+
+char key[0xA8] = { 0x01,0x0A,0x16,0x04,0x07,0x18,0x0C,0x10,0x05,0x17,0x09,0x03,0x12,0x08,0x15,0x13,0x0B,0x02,0x0F,0x0D,0x11,0x0E,0x06,0x14,0x07,0x0C,0x0E,0x11,0x09,0x16,0x10,0x06,0x14,0x0D,0x01,0x02,0x12,0x08,0x13,0x0B,0x0F,0x0A,0x18,0x15,0x04,0x05,0x03,0x17,0x0F,0x04,0x09,0x03,0x06,0x07,0x11,0x12,0x15,0x16,0x02,0x08,0x05,0x17,0x0C,0x0D,0x01,0x18,0x0B,0x14,0x0E,0x10,0x13,0x0A,0x02,0x0A,0x0E,0x12,0x0B,0x03,0x0C,0x06,0x13,0x07,0x11,0x09,0x15,0x18,0x10,0x17,0x14,0x0F,0x04,0x01,0x05,0x08,0x16,0x0D,0x0B,0x02,0x09,0x16,0x14,0x01,0x12,0x11,0x15,0x06,0x0F,0x17,0x07,0x10,0x0C,0x0E,0x08,0x18,0x13,0x03,0x0A,0x0D,0x04,0x05,0x09,0x0F,0x05,0x0D,0x16,0x15,0x12,0x11,0x03,0x0A,0x04,0x10,0x0E,0x14,0x02,0x01,0x13,0x0C,0x06,0x0B,0x17,0x18,0x07,0x08,0x12,0x02,0x0C,0x09,0x0D,0x0E,0x04,0x07,0x16,0x14,0x17,0x01,0x11,0x03,0x10,0x15,0x08,0x0A,0x05,0x13,0x0B,0x18,0x0F,0x06 };
+char* hex_values = "0123456789ABCDEF";
+char* password_chars = "123456789ABCDEFGHJKLMNPQRSTUVWXYZ";
+unsigned short output_vals[6];
+
+void substitute(char* input, char* output, int multiply_by)
+{
+    char* keyChar;
+
+    keyChar = (char*)(multiply_by * 0x18 + (key));
+    for(int i = 0; i < 0x18; i++) {
+        output[i] = input[*keyChar + -1];
+        keyChar ++;
+    }
+    output[0x18] = 0;
+}
+
+int the_crazy_math_part(unsigned int val1, unsigned int val2, int carry, int start_at)
+{
+    int c = carry;
+
+    long long r1 = 0xFFFFFFF9;
+    long long r0 = val1;
+    long long r3 = val2;
+
+
+    // yes this is just the asm implemented in C, dont @ me
+    
+    for (int i = start_at; i < 0x20; i++)
+    {
+        // adcs r3,r1,r3,lsl 1h
+        r3 = (r1 + (r3 << 1)) + c; //same as r3 = (r3+(r1 * 2)) + c;
+        c = (r3 >> 32); // set c flag
+        r3 &= 0xFFFFFFFF;
+
+        // subcc r3,r3,r1
+        if (!c)
+        {
+            r3 = (r3 - r1);
+            r3 &= 0xFFFFFFFF;
+        }
+
+        // adcs r0,r0,r0
+        r0 = r0 + r0 + c;  //Same as r0 = (r0 * 2) + c;
+        c = (r0 >> 32); // set c flag
+        r0 &= 0xFFFFFFFF;
+
+    }
+
+    return r3;
+}
+
+
+int find_multiplier(char* system_in)
+{
+    int total_iterations = 0;
+    int next_var = 0;
+   
+    char* system_in_base_ptr = system_in;
+    char* hex_values_ptr = hex_values;
+    for (int i = 0; i < strlen(system_in_base_ptr); i++)
+    {
+        char c = *system_in++;
+        char characters[2];
+        memset(characters, 0, 2);
+        characters[0] = c;
+
+        char* a2b = strstr(hex_values_ptr, characters);
+        next_var = (uintptr_t)a2b - (uintptr_t)hex_values_ptr;
+        if (!a2b)
+            next_var = 0;
+        total_iterations += next_var;
+    }
+    // step 2
+
+    unsigned int offset = 7;
+
+    if (offset <= total_iterations)
+    {
+        int c = 0;
+        int start_at = 0x1c;
+        unsigned int r3 = total_iterations >> 4;
+        if (offset <= r3 >> 0xC)
+        {
+            start_at -= 0x10;
+            r3 >>= 0x10;
+        }
+        if (offset <= r3 >> 0x10)
+        {
+            start_at -= 0x8;
+            r3 >>= 0x8;
+        }
+        if (offset <= r3)
+        {
+            start_at -= 0x4;
+            r3 >>= 0x4;
+        }
+
+        unsigned int r0 = total_iterations << (start_at & 0xFF);
+
+
+        c = ((long long int)r0 * 2) > 0xFFFFFFFF;
+        r0 = r0 * 2;
+
+        printf("Starting Carry: %x\n", c);
+
+
+        return the_crazy_math_part(r0, r3, c, start_at);
+    }
+    return 0;
+}
+
+unsigned int hex_to_bytes(char* input, int iterator)
+{
+    char* iteration;
+    char* final_char;
+    int result;
+    int i;
+    char* current_char;
+    char* enc = hex_values;
+    result = 0;
+    i = 0;
+    current_char = input + iterator;
+    int ii = 0xc;
+    do {
+        char curChar[2];
+        memset(curChar, 0x00, 2);
+        curChar[0] = current_char[0];
+
+        iteration = strstr(enc, curChar);
+        final_char = iteration + -(intptr_t)enc;
+        if (iteration == (char*)0x0) {
+            final_char = (char*)0x0;
+        }
+        i = i + 1;
+        result = result + ((uintptr_t)final_char << (ii & 0xff));
+        ii = (ii - 4) & 0xffff;
+        current_char = current_char + 1;
+    } while (i < 4);
+    return result & 0xffff;
+}
+
+void generate_password(unsigned char* inbuf, char* output)
+{
+    int i;
+    i = 0;
+    unsigned short* input = (unsigned short*) inbuf;
+    do {
+        output[i] = password_chars[input[i] - 1];
+        i = i + 1;
+    } while (i < 6);
+    output[i] = '\0';
+    return;
+}
+
+int decode(char* encoded, char* outbuf){
+    int iterator = 0;
+    int i = 0;
+    int ii = 0;
+
+    memset(outbuf, 0x00, 12);
+    unsigned short* decoded = (unsigned short*) outbuf;
+    do {
+        int chr = hex_to_bytes(encoded, iterator);
+        i = ii + 1;
+        decoded[ii] = (unsigned short)chr;
+        iterator = iterator + 4;
+        ii = i;
+    } while (i < 6);
+
+    i = 0; 
+    ii = 0;
+    do
+    {
+        i = ii;
+        int chr = decoded[ii++];
+        decoded[i] = chr % 33 + 1;
+    } while (ii < 6);
+    
+    return 0;
+}
+
+
+void ecdp_keygen(char* mac_address, char* maccas_id, char* mannager_id, char* output_key, size_t output_size) {
+    char formatted[190];
+    char encoded[64];
+    char final_key[100];
+    char decoded[12];
+    
+    snprintf(formatted, sizeof(formatted), "%s%s%s", mac_address, maccas_id, mannager_id);
+    int multiplier = find_multiplier(formatted);
+    substitute(formatted, encoded, multiplier);
+    decode(encoded, decoded); 
+    generate_password((unsigned char*)decoded, final_key);
+	
+	strncpy(output_key, final_key, output_size);
+}
diff --git a/Vita/eCDP.h b/Vita/eCDP.h
new file mode 100644
index 0000000..8f4247a
--- /dev/null
+++ b/Vita/eCDP.h
@@ -0,0 +1,4 @@
+// Written by Li
+#include <stddef.h>
+
+void ecdp_keygen(char* mac_address, char* maccas_id, char* mannager_id, char* output_key, size_t output_size);
\ No newline at end of file
diff --git a/Vita/logo.png b/Vita/logo.png
new file mode 100644
index 0000000..3fea8a1
Binary files /dev/null and b/Vita/logo.png differ
diff --git a/Vita/main.c b/Vita/main.c
new file mode 100644
index 0000000..fba0756
--- /dev/null
+++ b/Vita/main.c
@@ -0,0 +1,38 @@
+/*
+ * Written by Li (2022/28/NOV)
+ * Trans Lefts.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <vitasdk.h>
+#include <time.h>
+
+#include "sound.h"
+#include "draw.h"
+#include "menu.h"
+
+
+int main() {
+	time_t t;
+	srand((unsigned int) time(&t));
+	init_sound();
+	init_draw();
+	init_menus();
+	
+	play_bgm();
+	while (1) {
+		start_draw();
+		show_menu();
+		end_draw();
+		
+		process_menu();
+	}
+
+	finalize_draw();
+	finalize_sound();
+	sceKernelExitProcess(0);
+	return 0;
+}
diff --git a/Vita/menu.c b/Vita/menu.c
new file mode 100644
index 0000000..626ef6e
--- /dev/null
+++ b/Vita/menu.c
@@ -0,0 +1,273 @@
+#include "menu.h"
+#include "draw.h"
+#include "eCDP.h"
+#include "sound.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <vitasdk.h>
+
+static int pos = 0;
+static char StoreNo[64];
+static char SerialNo[64];
+static char MacAddress[64];
+static char OutputCode[64];
+static EcdpKeygenState state;
+
+void randomize_octlets(char* octlets, size_t numbOctlets){	
+	for(int i = 0; i < numbOctlets; i++){
+		int rng = (rand() % 0xF);
+		
+		if(rng <= 9)
+			octlets[i] = ('0' + rng);
+		else
+			octlets[i] = ('A' + rng-9);
+	}
+	octlets[numbOctlets+1] = 0;
+	
+}
+
+void clear_data(char* digits, size_t numbDigits){
+	memset(digits, '0', numbDigits);
+}
+
+void randomize_digits(char* digits, size_t numbDigits){	
+	for(int i = 0; i < numbDigits; i++)
+		digits[i] = ('0' + (rand() % 10));
+	digits[numbDigits+1] = 0;
+	
+}
+
+void wait_for_release(SceCtrlData oldPad){
+	SceCtrlData curPad;
+	memset(&curPad, 0, sizeof(curPad));
+	sceCtrlPeekBufferPositive(0, &curPad, 1);
+	do {
+		sceCtrlPeekBufferPositive(0, &curPad, 1);
+		
+	} while(curPad.buttons == oldPad.buttons);
+	
+}
+SceCtrlData get_buttons() {
+	SceCtrlData pad;
+	memset(&pad, 0, sizeof(pad));
+	sceCtrlPeekBufferPositive(0, &pad, 1);
+	if(pad.buttons != 0)
+		wait_for_release(pad);
+	return pad;
+}
+
+void handle_mac_picker(char* octlets, EcdpKeygenState nextState){
+	SceCtrlData pad = get_buttons();
+	
+	size_t totalOctlets = strlen(octlets);
+	
+	if(pos < 0) pos = 0;
+	if(pos >= totalOctlets) pos = totalOctlets-1;
+	
+	char octlet = octlets[pos];
+	
+	switch(pad.buttons){
+		case SCE_CTRL_UP:
+			play_type_se();
+			octlet++;
+			break;
+		case SCE_CTRL_DOWN:
+			play_type_se();
+			octlet--;
+			break;
+		case SCE_CTRL_LEFT:
+			play_type_se();
+			pos--;
+			return;
+		case SCE_CTRL_RIGHT:
+			play_type_se();
+			pos++;
+			return;
+		case SCE_CTRL_TRIANGLE:
+			play_confirm_se();
+			randomize_octlets(octlets, totalOctlets);
+			return;
+		case SCE_CTRL_CIRCLE:
+			play_back_se();
+			clear_data(octlets, totalOctlets);
+			return;
+		case SCE_CTRL_CROSS:
+			play_confirm_se();
+			state = nextState;
+			pos = 0;
+			return;		
+	}
+	
+	if(octlet == '9' + 1) octlet = 'A';
+	if(octlet == 'A' - 1) octlet = '9';
+	if(octlet > 'F') octlet = '0';
+	if(octlet < '0') octlet = 'F';
+	
+	octlets[pos] = octlet;
+	
+}
+
+void handle_number_picker(char* digits, EcdpKeygenState nextState){
+	SceCtrlData pad = get_buttons();
+	
+	size_t totalDigits = strlen(digits);
+	
+	if(pos < 0) pos = 0;
+	if(pos >= totalDigits) pos = totalDigits-1;
+	
+	char digit = digits[pos];
+	
+	
+	switch(pad.buttons){
+		case SCE_CTRL_UP:
+			play_type_se();
+			digit++;
+			break;
+		case SCE_CTRL_DOWN:
+			play_type_se();
+			digit--;
+			break;
+		case SCE_CTRL_LEFT:
+			play_type_se();
+			pos--;
+			return;
+		case SCE_CTRL_RIGHT:
+			play_type_se();
+			pos++;
+			return;
+		case SCE_CTRL_TRIANGLE:
+			play_confirm_se();
+			randomize_digits(digits, totalDigits);
+			return;
+		case SCE_CTRL_CIRCLE:
+			play_back_se();
+			clear_data(digits, totalDigits);
+			return;
+		case SCE_CTRL_CROSS:
+			play_confirm_se();
+			state = nextState;
+			pos = 0;
+			return;		
+	}
+	
+	
+	if(digit > '9') digit = '0';
+	if(digit < '0') digit = '9';
+	
+	digits[pos] = digit;
+	
+}
+
+void init_menus(){
+	pos = 0;
+	memset(StoreNo, 0, sizeof(StoreNo));
+	memset(SerialNo, 0, sizeof(SerialNo));
+	memset(MacAddress, 0, sizeof(MacAddress));
+	memset(OutputCode, 0, sizeof(OutputCode));
+	
+	state = INPUT_MGR_NO;
+	
+	clear_data(StoreNo, 6);
+	clear_data(SerialNo, 6);
+	clear_data(MacAddress, 12);
+}
+
+void process_enter_mgr_no(){
+	handle_number_picker(StoreNo, INPUT_SERIAL_NO);
+}
+
+void process_enter_serial_no(){
+	handle_number_picker(SerialNo, INPUT_MAC_ADDRESS);
+}
+
+void process_enter_mac_address(){
+	handle_mac_picker(MacAddress, OUTPUT_CODE);
+	
+	if(state == OUTPUT_CODE) {
+		ecdp_keygen(MacAddress, StoreNo, SerialNo, OutputCode, sizeof(OutputCode));
+	}
+}
+
+void process_output_code(){
+	SceCtrlData pad = get_buttons();
+	
+	switch(pad.buttons){
+		case SCE_CTRL_CROSS:
+			play_confirm_se();
+			init_menus();
+			break;
+		case SCE_CTRL_CIRCLE:
+			play_back_se();
+			sceKernelDelayThread(260000);
+			sceKernelExitProcess(0);
+			break;
+	}
+}
+
+void draw_end(){
+	draw_text_center(500, "× Generate Another / ○ Close Application");	
+}
+
+void draw_controls(){
+	draw_text_center(500, "↑↓← → Change Input / △ Randomize Input / ○ Clear Input / × Confirm Input");	
+}
+
+void draw_enter_mgr_no(){
+	draw_text_center(260, "Enter Store Number:");
+	draw_number_picker(280, StoreNo, pos);
+	draw_controls();
+}
+
+void draw_enter_serial_no(){
+	draw_text_center(260, "Enter Serial Number of DS Card:");
+	draw_number_picker(280, SerialNo, pos);
+	draw_controls();
+}
+
+void draw_enter_mac_addr(){
+	draw_text_center(260, "Enter DS Mac Address:");
+	draw_mac_picker(280, MacAddress, pos);
+	draw_controls();
+}
+
+void draw_output_code(){
+	draw_text_center(260, "Donald McDonald speaks with a cryptic message:");
+	draw_number_picker(280, OutputCode, -1);
+	draw_end();
+}
+
+void show_menu(){
+	switch(state){
+		case INPUT_MGR_NO:
+			draw_enter_mgr_no();
+			break;
+		case INPUT_SERIAL_NO:
+			draw_enter_serial_no();
+			break;
+		case INPUT_MAC_ADDRESS:
+			draw_enter_mac_addr();
+			break;
+		case OUTPUT_CODE:
+			draw_output_code();
+			break;
+	}
+}
+
+void process_menu() {
+	switch(state){
+		case INPUT_MGR_NO:
+			process_enter_mgr_no();
+			break;
+		case INPUT_SERIAL_NO:
+			process_enter_serial_no();
+			break;
+		case INPUT_MAC_ADDRESS:
+			process_enter_mac_address();
+			break;
+		case OUTPUT_CODE:
+			process_output_code();
+			break;
+	}
+}
\ No newline at end of file
diff --git a/Vita/menu.h b/Vita/menu.h
new file mode 100644
index 0000000..7568d0e
--- /dev/null
+++ b/Vita/menu.h
@@ -0,0 +1,10 @@
+typedef enum {
+	INPUT_MGR_NO,
+	INPUT_SERIAL_NO,
+	INPUT_MAC_ADDRESS,
+	OUTPUT_CODE
+} EcdpKeygenState;
+
+void init_menus();
+void show_menu();
+void process_menu();
\ No newline at end of file
diff --git a/Vita/sce_sys/icon0.png b/Vita/sce_sys/icon0.png
new file mode 100644
index 0000000..1c2eea3
Binary files /dev/null and b/Vita/sce_sys/icon0.png differ
diff --git a/Vita/sce_sys/livearea/contents/bg.png b/Vita/sce_sys/livearea/contents/bg.png
new file mode 100644
index 0000000..88764fd
Binary files /dev/null and b/Vita/sce_sys/livearea/contents/bg.png differ
diff --git a/Vita/sce_sys/livearea/contents/template.xml b/Vita/sce_sys/livearea/contents/template.xml
new file mode 100644
index 0000000..b8a559f
--- /dev/null
+++ b/Vita/sce_sys/livearea/contents/template.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<livearea style="a1" format-ver="01.00" content-rev="1">
+	<livearea-background>
+		<image>bg.png</image>
+	</livearea-background>
+</livearea>
diff --git a/Vita/sce_sys/pic0.png b/Vita/sce_sys/pic0.png
new file mode 100644
index 0000000..461a951
Binary files /dev/null and b/Vita/sce_sys/pic0.png differ
diff --git a/Vita/se_back.wav b/Vita/se_back.wav
new file mode 100644
index 0000000..3c539ee
Binary files /dev/null and b/Vita/se_back.wav differ
diff --git a/Vita/se_confirm.wav b/Vita/se_confirm.wav
new file mode 100644
index 0000000..68b2247
Binary files /dev/null and b/Vita/se_confirm.wav differ
diff --git a/Vita/se_type.wav b/Vita/se_type.wav
new file mode 100644
index 0000000..ca80e0f
Binary files /dev/null and b/Vita/se_type.wav differ
diff --git a/Vita/sound.cpp b/Vita/sound.cpp
new file mode 100644
index 0000000..dcb4205
--- /dev/null
+++ b/Vita/sound.cpp
@@ -0,0 +1,54 @@
+#include <soloud.h>
+#include <soloud_wav.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstddef>
+extern "C"
+{
+	#include "sound.h"
+	SoLoud::Soloud soloud;
+	SoLoud::Wav bgm;
+
+	SoLoud::Wav se_type;
+	SoLoud::Wav se_confirm;
+	SoLoud::Wav se_back;
+	
+	void init_sound() {
+		soloud.init();
+		soloud.setGlobalVolume(1.0);
+		
+		// load sounds
+		
+		size_t bgm_size = ((uintptr_t)&_binary_bgm_ogg_end - (uintptr_t)&_binary_bgm_ogg_start);
+		bgm.loadMem(&_binary_bgm_ogg_start, bgm_size, false, false);
+		bgm.setLooping(1);
+		
+		size_t se_type_size = ((uintptr_t)&_binary_se_type_wav_end - (uintptr_t)&_binary_se_type_wav_start);
+		se_type.loadMem(&_binary_se_type_wav_start, se_type_size, false, false);
+		
+		size_t se_confirm_size = ((uintptr_t)&_binary_se_confirm_wav_end - (uintptr_t)&_binary_se_confirm_wav_start);
+		se_confirm.loadMem(&_binary_se_confirm_wav_start, se_confirm_size, false, false);
+		
+		size_t se_back_size = ((uintptr_t)&_binary_se_back_wav_end - (uintptr_t)&_binary_se_back_wav_start);
+		se_back.loadMem(&_binary_se_back_wav_start, se_back_size, false, false);
+	}
+	void play_bgm() {
+		soloud.play(bgm);
+	}
+	
+	void play_type_se() {
+		soloud.play(se_type);
+	}
+	
+	void play_confirm_se() {
+		soloud.play(se_confirm);
+	}
+	
+	void play_back_se() {
+		soloud.play(se_back);
+	}
+	void finalize_sound() {
+		soloud.deinit();
+	}
+	
+}
\ No newline at end of file
diff --git a/Vita/sound.h b/Vita/sound.h
new file mode 100644
index 0000000..1fbbb93
--- /dev/null
+++ b/Vita/sound.h
@@ -0,0 +1,21 @@
+
+extern unsigned char _binary_bgm_ogg_start;
+extern unsigned char _binary_bgm_ogg_end;
+
+extern unsigned char _binary_se_type_wav_start;
+extern unsigned char _binary_se_type_wav_end;
+
+extern unsigned char _binary_se_confirm_wav_start;
+extern unsigned char _binary_se_confirm_wav_end;
+
+extern unsigned char _binary_se_back_wav_start;
+extern unsigned char _binary_se_back_wav_end;
+
+
+void init_sound();
+void finalize_sound();
+void play_bgm();
+
+void play_type_se();
+void play_confirm_se();
+void play_back_se();
\ No newline at end of file