Ram cleaners must exclude my app
Android M introduced doze and may affect the app from running on background, some users added to the "whitelist" or not optimize for better performance

The first app to fix a security flag from your android, prevent to unwanted users turn off, mute or set airplane your device when they are in the lockscreen and bypassing the code.
*This app will not block for Long press power button (10 seconds) since its hardware related.*
"Ideal for avoiding shut down the device in the pocket"
*This app can block status bar (it may not work on all devices) only in the lockscreen
* Battery Friendly
*Small and compact
* Useful for security apps like Cerberus or find your phone from Google, you don't want people can turn off the device so easily

This App may work or may NOT work (working on 90% of devices including lollipop and marshmallow) .
*No root
*Free

// Option A //

To download Smart Lockscreen protector mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Smart Lockscreen protector mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Smart Lockscreen protector from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Smart Lockscreen protector in HappyMod App.