If you want to butter your lords and raid villages on the bus, use Steam Link with a Razer Kishi or Xbox controller. Do not trust any website offering a direct Mount & Blade: Warband Android download —the only thing you will conquer is a virus.
The official Android version of was originally developed specifically for Nvidia Shield and devices with Tegra 4 processors. While the game is no longer widely available on the Google Play Store for modern standard smartphones, many players continue to access its features through emulation or specific community-created "fixes." Core Features of the Android Port
This requires a high-end flagship processor (such as a Snapdragon 8 Gen 1 or newer). Because Warband is a 2010 game, modern flagship phones can successfully run small-scale battles at playable frame rates. Best Native Android Alternatives to Mount & Blade
If you have a strong internet connection, streaming the game from a PC is the smoothest method.
Stay safe, mercenary. See you in the arena.
Go to your Android settings and allow installation of apps from unknown sources.