Although every review or video that mentions it can run ps2 and gamecube. It can't. Also aethersx2 has been abandoned and is closed source. Also android sucks.
But so far its a really nice ps1 portable device. Usually I'd use my vita but I'm always worried about damaging it and they're not exactly in production so I wanted something more disposable with L2 and R2 buttons. Now i can play Abe's Odyssey/Exodus on the train :D
Got to one of the final screens on Abe's Exodus 20ish years ago and got stuck and walked away from the game. Definitely loved what I played of it though and heard in a Retronauts podcast that Odyssey is even better.