This OS 10.2.1.1055 leak is going like wildfire. Users are reporting back that they have successfully installed the Amazon AppStore, Aptoide Store, and 1Mobile Market on the BlackBerry OS 10.2.1.1055 leak. The latest we are hearing is that they mostly work but there are loads of caveats. We have been hearing that it is even possible to load Google Play but its nowhere near as easy and has even more caveats.
If you have the latest 10.2.1 leak you can try out loading the stores at the links below: