FastHub is described as 'Yet another open-source GitHub client app but unlike any other app, FastHub was built from scratch' and is an app in the Development category. There are three alternatives to FastHub for Android and Android Tablet. The best alternative is OctoDroid, which is both free and Open Source. Other great apps like FastHub are OpenHub for GitHub (Free, Open Source) and DioHub (Free, Open Source).
DioHub is an open-source unofficial GitHub mobile client, that aims to deliver the ultimate GitHub experience on mobile devices. It is under active development and aims to implement all the available features on the GitHub website, and much more.