I notice you're asking about a modified ("modded") version of Doodle Army 2: Mini Militia — specifically a patched APK with unlocked features.

. Version 2.2.9 is a legacy version of the game, as modern official versions have reached v5.6.0. Mods for this specific build typically focus on unlocking premium features and granting gameplay advantages. Google Play Key Mod Features Mini Militia - War.io - Apps on Google Play