PojavLauncher (Minecraft: Java Edition) is a tool that lets its users run the Java version of Minecraft from practically any Android device.
PojavLauncher (Minecraft: Java Edition) is really simple, as all you need to do is log in with your Mojang ID and press 'Login'. PojavLauncher (Minecraft: Java Edition) is also compatible with Microsoft accounts, and it will let you store more than one account on its system and use mods to customize your gaming experience.
Once you're on the system, all you have to do is press play for Minecraft to run automatically.