This is full function as when you play the real device, you need the official PS iso or disc and save to sd card to play it in your android phone.
It can run from Android 2.3 to Android 8 .
Supports files’s extensions .img, .iso, .bin, .cue, .nrg , .mdf , .pbp and .Z disc image formats (compressed files handled automatically .zip .rar .7z .ecm and .ape)
Support of PS3-PS4-XBOX360 contoller( still work in progress as natively are very hard to emulate)
Just download and feel your childhood.