Video Tutorial:
Trying to install a third party app, game, or downloaded APK on your Android smartphone? In this video tutorial I show you how to change the set
tings on your Android phone enable the ability to install third party apps like Amazon Underground App Store or other downloaded apps.
Link to the Amazon App Store (Paid Link): http://amzn.to/2hm8j67
Follow the steps below to install 3rd party apps or games on Android:
1. Go to Settings on your phone and switch to the “general” tab, if needed.
2. Tap on the “Security” option.
3. Select the checkbox next to the “Unknown Sources” option.
4. Confirm the warning message by tapping on “OK”.