I like my ESR MagSafe car mount. It's nice in that it will do the charging and seems to hold the 12 Pro well over the rougher city streets I've been encountering. Plus much easier to take phone than with old claw mount I had.
It's not just pre-Win10. The Java version allows for mods and resource packs, which AFAIK is not available for the other version. So if you have tweaked the game, you'll probably still stick with the Java version.