Uploading it right now. Should be up in about 1.5-2 hours.
[BOUNTY]Using PSX Images With Native Emulator / $400 + Xperia X1
- Thread starter AriStar
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Uploading it right now. Should be up in about 1.5-2 hours.
Emulator isn't running ISO files, it's running specially packed zpacks which we have to investigate.
Zpack link is up. I'll try to find the emulator itself with root explorer later and see if I can dump the APK.
Emulator link. I think anyway. Not 100% sure if this is the emulator itself or just the app that accesses the store for PSX games.
edit: Just checked by uninstalling Playstation pocket. It is just a store app, I was still able to launch Crash Bandicoot after uninstalling it. If anyone has a better idea as to which app (if any) the PSX emulator may be, please post.
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The game seems to be separately installed through an APK file. I'll find that one in a second for crash.
edit:
http://www.multiupload.com/MBMJGLUYND
Heading off to work now so I won't be able to look into it further right this second.
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The way that I'm seeing this thing running is that every game will come with a playstation emulator built into the apk for the game. Which is why this is going to be so difficult. The only application on the phone that is the "playstaion emulator" is the actual crash application apk itself. when this apk is opened, its just like any other compiled apk.
My guess is it goes like this. An entire emulator is packed and compiled with a specific reference to a game fingerprint or signature into an apk. the first time you open, it connects to a download link, downloads the signed iso (which is a .ps here) in the zpack and the emulator opens it.
Every time you get a game, you will be downloading a completely new emulator.
Oh an this isn't what I'm concluding based on reading other posts, this is self conclusion after spending a few hours last night screwing with the files and seeing what kind of damage I can do.
My guess is it goes like this. An entire emulator is packed and compiled with a specific reference to a game fingerprint or signature into an apk. the first time you open, it connects to a download link, downloads the signed iso (which is a .ps here) in the zpack and the emulator opens it.
Every time you get a game, you will be downloading a completely new emulator.
Oh an this isn't what I'm concluding based on reading other posts, this is self conclusion after spending a few hours last night screwing with the files and seeing what kind of damage I can do.
This is actually a really good point. If you take your typical PC emulator, using PCSX2 (a Playstation 2 emulator) as an example, it's about 11MB in size. The .apk file for Crash Bandicoot is about 5MB in size, and seems to be enough to house a well optimized PSX emulator.
I had a look in /system/app last night and saw two apk's, 'playstationpocket.apk's 1.03 mb and 'semcsuite.apk' 1.27 mb. Could the 'semcsuite' be the actual emulater?
I'm no dev so have no clue what to look for
Regards Dousan...
e: they have the same icon when seen in /system/app.
I'm no dev so have no clue what to look for
Regards Dousan...
e: they have the same icon when seen in /system/app.
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I had a look in /system/app last night and saw two apk's, 'playstationpocket.apk's 1.03 mb and 'semcsuite.apk' 1.27 mb. Could the 'semcsuite' be the actual emulater?
I'm no dev so have no clue what to look for
Regards Dousan...
e: they have the same icon when seen in /system/app.
rename semcsuite.apk to semcsuite.apk.bak using root explorer and test if the game still works...if not rename back
id do it myself although ive stripped my play down the bare minimum that I have 120mb internal space with all my stuff installed..
Then yeah, every game's APK is emulator that runs zpak... but zpak is not iso, and image.ps is in some special format and hasn't got readable text - probably encrypted, as pointed out earlier...
On other devices APK can be installed, and zpak is run once copied to SD card.
On other devices APK can be installed, and zpak is run once copied to SD card.
Why don't you release that light set-up as an .ftf or a fastboot flashable .img, and put the additional content in another file? I think that would fill up a need for some people.
No, because sony said that they will be releasing the playstation suite for all android devices, which I'm assuming means the games and emulators.
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The trick here and the goal that we all need to focus on here is not the apk, or even the emulator. I think the goal is to figure out a way to emulate the .ps file. We need to figure out how they made it or compiled it and see if we can get our ISO's to read out the same way. The crash .ps file is about 550mb. That is very very close to the actual ISO size which leads me to believe there is no compression on this file, its just been thrown through a compiler. Once we can figure out how to make a .ps image, it should be a drop in replacement.
All executables have been run through a compiler. The image.ps file is encrypted, meaning good luck trying to get regular ISO files running.
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5Who ever is good at reversing should take a look at libjava-activity.so. All crypto functions are in there for instance :
and many more. There are also some interesting strings like:Code:PsCrypt_GetImageToc PsCrypt_GetImageTocLength PsCrypt_GetPS1RomData PsCrypt_GetPS1RomLength zpCryptoHelperDecrypt zpCryptoHelperInitialize
Which is used in the zpCryptoHelperInitialize function i think.Code:DEFAULT_KEY DCB "6FDF7334CD2AA96FC3FCEAB7300BEF8B"32
No. The games are emulated, as it happens on the PSP or the PS3. If there are not so much games available is because you have to re-license the game for the Playstation Suite, and that costs money.2
I can buy Syphon Filter and send you the .zpak. Will it be good for you?
I was thinking of buying it anyways, but if I can shoot two birds with a stone...
