F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.
I went through a phase where I played every game on there, most were gloriously unfinished or ported from the zx spectrum. There were some real gems too.
That was years ago, what's it like now? Is there android wesnoth? Did any of the RPGs ever get to a fished state?