Ouch Games unplayable as emulator is too fast! Never thought I'd say that. 2/5 stars is an honest review score. Free app that doesn't require permissions as games are pre-loaded and doesn't have ads. App crashes upon exit on Android 4.2.2. Just needs a wee more effort.
Chipr features are good speed, small size and flickering reduction (flickering is original CHIP-8 issue).
Though, no sound yet and poor SuperChip support.