Root is necessary.
This program aims to "immortalize" your favorite programs by protecting them from Out Of Memory Killer.
At the moment it supports two configurations:
- Slim Recents starred apps (tested on RROS)
- Locked Apps (tested on MIUI)
If you want your system to be supported, submit an issue. Keep in mind that you'll probably need to do testing yourself as I may not have access to system similar to yours.