You need: akb48me_en_patched.apk and com.akb48me.main.obb (if separate).
If you have been searching for the elusive you have landed in the right place. This guide will walk you through everything you need to know: what the game is, why an English patch is necessary, the risks involved, and, most importantly, the safest method to install the English translation. akb48 me english translation install
Place the main.XXXXXXXX.obb file inside that folder. You need: akb48me_en_patched