The general public won't install an APK outside of an "App Store" equivalent True as this may be, it's also not as bad as it sounds. Take a look at what Humbl

The general public won't install an APK outside of an "App Store" equivalent True as this may be, it's also not as bad as it sounds. Take a look at what Humble Bundle did -- a very lightweight appstore-like thing, with very clear instructions for installing it once. They seem to have done okay with that.