Slide PMP help !!

[Mandar]

Hey guys
I have a slide that has SONY written in it but i know its fake. Its version is 321.5678 .
It supports NES games .
It reads but doesnt paly BIN , GB and GBC games wtf!!
When i open em PMP hangs !!
Plz help me guys i really wanna play good games on my PMP.
Maybe u could also send me some firmware that supports nice games .
Dont worry , i have backup of my firmware so iam ready to experiment .

[admin]

Please don't double post. You've already asked this question in another thread of yours here: How to back up a firmware on my PMP ?.