Things have probably changed a lot, but back when I ran Android off an SD card on my Nook, it was really important to get the right SD card or the performance would suck. If I remember right, a SanDisk Class 6 was the best I believe because it had fast read times and low latency? I'm really not sure but wanted to ask if this could still be an issue with running apps off of a Tablet? I have an HP Stream 7 and the kids play a lot of games on it an it will run out of space fast. I believe that the apps can be installed directly on to an SD card now and wanted to know what to look for or if it really made a difference. Thanks for the help.