Most mods for V4.2.8 are designed to work on non-rooted Android devices. You simply install the APK file alongside the original game (or as a separate clone).
If you are concerned about security or want to support the developers, consider these legal ways to simulate the "unlimited" experience in the official game: Mini Militia Unlimited Ammo And Nitro Fix Download V4-2-8
However, neither of these options gives you the infinite nitro that makes V4.2.8 so special. Most mods for V4
Instead of risking your device and account: However, neither of these options gives you the