There is no official Sonic Frontiers APK for Android, as the game has not been released for mobile platforms. While you may find websites claiming to offer a "verified" download, these are usually unofficial fan projects or malicious software. Official Platforms
While a native app does not exist, you can play the official game on an Android device through these legitimate methods: Cloud Gaming & Streaming
Since there isn't a native app, players use these legitimate methods to get the game running on their phones:
Developed by Sonic Team and published by Sega, Sonic Frontiers is an action-adventure game that follows Sonic and his friends as they explore a mysterious, island-filled world. The game boasts a vast open world, fast-paced gameplay, and a variety of characters to play as. With its engaging narrative and improved graphics, Sonic Frontiers has become a must-play for fans of the series.