Modified APK files frequently contain hidden spyware, adware, or ransomware.

If you are looking specifically for version 1.5.6.39 (for modding purposes, for example), you may need to find a legitimate APK backup.

No. Mobile Stardew Valley does not have multiplayer (local or online). That feature is exclusive to PC, console, and iPad (via Apple Arcade's different version). The 1.5.6.39 Android download is strictly single-player.

A beautiful new starting farm layout. It offers great foraging and fishing but prevents you from using sprinklers on the sandy soil, offering a fun challenge. New NPCs and Quests