I'm afraid since Hearthstone is closed source, and will never become open source, it is not possible to port to the pi.

Barring a full port of android which itself is unlikely, this isn't possible.

yes

ric_rpi wrote:PCSX2 is next on my list ... but I will finish a new Dynamic Recompiler for mupen64plus first

Realistically though, a reicast port is about the best we can expect right? How reliant is something like reicast on the GPU?