Before installing Codeproof App manager, please sign-up with Codeproof by going to Codeproof website (http://codeproof.com) . Then install "Codeproof MDM" app and enroll your device.
Some of the features are:
- Remotely block unproductive apps
- Remotely whitelist and blacklist apps
- Remotely block settings app
- Supports all android devices
Complete setup instructions are available at https://www.codeproof.com/blog/mobile-apps-whitelisting-using-codeproof-mdm/