Lock Screen by droidev is a lightweight Android app that enables users to lock their devices without pressing the power button. The app is free to use, and it does not require any special permissions or root access. It is also free of advertisements and does not run as a background service, which makes it a great tool for those who want to lock their devices quickly and efficiently.

The app works by enabling users to lock their phones by simply touching an icon on their screens. Lock Screen is also designed to auto-kill itself after locking the device to release resources. This feature ensures that the app does not consume too much battery power or memory.

It is important to note that Lock Screen uses the Device Administrator permission to function properly. To uninstall the app, users must first disable the admin permissions by going to Settings > Location & security > Device administrators and unchecking the app.

Overall, Lock Screen is a great utility tool for Android users who want to lock their devices quickly and efficiently. It is lightweight, easy to use, and free of charge.