I know how to get RPG Maker to the google store, you have to make the HTML they give you to convert it for current day requirements. After which you must forever keep updating it because just like Apple google will force you to update or the app gets removed.
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https://websitetoapk.com/pricing.html is like the last known software to turn HTML into compatible APK. Google has once again updated and broken everything about APK that RPG Makers know.