What's the best free Android game for casual, addicting territory control and expansion with simple gameplay?

Paper.io 2 is a great free Android game for casual territory control. It offers addictive gameplay where you expand your territory by drawing lines and capturing areas, competing against other players in a simple, engaging format. The game is designed to be easy to pick up and play, making it perfect for short bursts of entertainment or longer gaming sessions. Players navigate a colored block across a blank canvas, claiming territory by looping back to their existing base. The goal is to conquer as much of the map as possible while avoiding being cut off by opponents. The game includes a variety of skins to choose from, allowing players to customize their experience and stand out on the battlefield. While the game is free, ads are present, but many players find the core gameplay loop satisfying and fun. The game requires an internet connection to play, ensuring a competitive and dynamic online experience. Paper.io 2 is a fun and satisfying way to pass the time.