I've searched all forums and came up empty, which doesn't bode well. The Amazon App Store defaults all of its downloads to the SD Card, but that's a problem for me since my SD Card is full. I have 3 GB free on my phone, so I am constantly moving APK's and pics and music off of my SD Card to make room for new apps. Can the Amazon App Store default download location be changed from SD Card to Phone Memory? It seems the SD card should be optional, yet without it, downloading apps is disabled for me. I cannot find a setting anywhere in the App Store app and other settings (like browser and camera directory settings) have no effect.