Hey I want to throw the games I own on my nvidia shield tablet, but obviously I need an emulator.

Suggestions on which is best? I read up about Neodroid, but the version on the play store rates for crap, but I see others saying it's good on that version (4.0) so I don't know. I'm aware that Broglia's stuff is always excellent and his rates just shy of a 4/5 but costs $4. There is some so called free fork which rates lesser, not sure if that's just garbage or I'm missing something.