there's a button on Android next to a save file with an arrow up. it allows to export your save. you can then edit it and tap an empty save tile inside a game to return the file. this way you can't obtain the achievement, but ypu can edit stats, food and other things.
If you opened . json file, you can just change numbers next to the thing you need to make higher. Find with Search option words like Food, base and others. When you change things you need, you can return to game, tap Load and tap arrow down on any empty save tile. Then choose the file you made.
