For Android users, go to Settings > Apps > SurVive! > Storage and tap Clear Cache . If that fails, Clear Data (note: this may delete your save).
Once you have fixed the input issue, you can use these confirmed codes found in the developer's Cheats.txt or community discussions: : Grants +3 food. orangeherb : Gives the player 2 green and 2 pink herbs. survive 18 cheat codes fix
Many users report that changing the game's resolution in the settings menu fixes the unclickable text box. For Android users, go to Settings > Apps > SurVive