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ARK is a PSP Emulator Custom Firmware for your Vita. It supports most PSP Homebrews, plugins, and backups, as well as PS1 games

Instructions :
> Go into the ARK folder
> Choose your region and copy the savedata to your '\PS Vita\PSAVEDATA\XXXXXXXXXXXXXXXX\' folder
> Transfer it to your PSVita using CMA

> PSX game support (soundless so far, our sound plugin is too glitchy for public use at the moment)
> ISO/CSO game support
> NoDRM Engine for decrypted dlc playback
> MS-SpeedBoost (most noticable on games like soul calibur)
> Stargate Game Patches (fixes several anti-cfw games)
> Customizable Main Menu
> Plugin support
> Recovery support
> ISO-cache support (speed up ISO gaming)

... and much more!

Donations :
We are always happy to receive donations, but do not enforce them.
Should you like the software that we provide, please consider buying our team a beer or two at...


About yMenu:
Default menu, created by Yosh - for more details see
Special thanks to ind3x-gosu for his custom theme!

About PROShell Recovery:
While triggerring the exploit press R to enter the PROShell minimalistic launcher menu!
This menu can be used to sort out or launch corrupted icon EBOOTs.

About Plugins:
To load plugins, place a plugins.txt file in your savedata folder containing lines as:

- Mode can be either umdemu (for isos), game (for homebrews), or pops (for psx)
- Path is the absolute plugin's path
- And then 1 for enabled, or 0 for disabled

Warning! Never put any additionnal spaces or anything between commas

For instance :

Credits :
Dark_Alex for the initial M33 CFW who guided us mentally through several CFW generations by giving good examples on how to patch Sony OFW.
VirtuousFlame: For the ISO Loading Code, Custom PSX EBOOT Support, PSPCipher and most of the CFW related code.
Coldbird: For Proshell, and all his CFW related code & Vita redesign of PROCFW.
Yosh: For the initial sceWlanGetEtherAddr leaked kxploit, yMenu, other kxploit related things and various pieces of code.
thecobra & frostegater: For precisions about this kxploit.
neur0n for his syscall execution in kernel mode, several bug fixes and other CFW related code.
ardi for his umd4homebrew to enable UMD in homebrews.
Zer01ne for the initial Uno exploit discovery.
All our testers.

And last but not least - Sony for making wonderful, however very locked down, portable gaming handhelds.

Version : ArkV2 for fw 3.50

Release Date: 2015/04/20

Notes for this version: Port of Ark-V2 for PS Vita firmware 3.50


Find download links for ARK below.

Ark V2 eCFW for Ape Escape On the Loose Download from (direct link)