What's the best Android game for guitar hero fans to play rock and metal songs with challenging difficulty levels and online battles?

Guitar Band: Rock Battle is an excellent Android game for guitar hero enthusiasts, offering challenging gameplay, online battles, and a wide selection of rock and metal songs. Players can enjoy solo mode to practice and memorize tracks before engaging in competitive online battles where they can upgrade their band and gear. The game features multiple difficulty levels, progressing to 'Legendary', providing a continuous challenge. Although some users desire a co-op mode and more popular songs, the core gameplay loop is highly engaging for fans of the genre. To enhance your experience, the game includes a 'Sync Audio' setting in the settings menu, allowing players to adjust the audio sync to match their device and eliminate any lag. Removing ads via a one-off payment further improves the enjoyment of the game.