I tried to install RetroPie 4.4 on GameShell with OS 0.3. It fails with cannot locate ‘mali-fbdev’ package. Anyone ever tried?
Not sure about RetroPie, but here is some info on installing EmulationStation, which you may find interesting.
Here it seems someone already accomplished the miracle :
But if you read the thread closely you’ll understand I missed something to make it myself… So I decided to only install ES and it works well. Thanks @mpuppet
And if you are like me and want to create an “Hacks” system for ES, you’ll surely be interested by this little script I made :