This launcher was updated in 2020 to use mainly an untrue Java Native Interface to communicate with Minecraft: Bedrock Edition. This 32bit Launcher was modified to arm64, x86_64 just after it was made available on the Google Play Store.
AppImageP
Prebuilt AppImage binary's for linux and armv7. hardfloat and armv8 are currently available here. After downloading simply open terminal, chmod +x Minecraft_Bedrock_Launcher-x86_64.0.0.661.AppImage and run it. You should be able to run it with a double-click using Filemanagers similar to a *.exe file on Windows. Otherwise run it from a Terminal ./Minecraft_Bedrock_Launcher-x86_64.0.0.661.AppImage
If this is your first time installing an AppImage and you want an Icon in your startmenu
Install AppImageLauncher. Run the AppImage the same way as before. AppImageLauncher will ask for you to integrate it. Press yes to continue.
FlatpakP
Flathub also allows you to install mcpelauncher under Linux. First, install Minecraft Server List and then run it.
If this is your first Flatpak installation, please log out from your Computer and sign in again to access the Launcher from your start menu. To run it, run
macOSP
You can download prebuilt macOS binary's here. Always copy the App to a location that can be written in, otherwise the updater won't work.