The installation of mod has been simplified by this tool. And it is made by Panzer War officialShanghaiWindy.

Check the game from here:
https://play.google.com/store/apps/details?id=com.shanghaiwindy.PanzerWarOpenSource

Check the mod source from here:
https://github.com/Doreamonsky/Panzer-War-Lit-Mod/issues/59

This mod tool is open source. https://github.com/Doreamonsky/PanzerWar-ModInstaller