On apkevolution.com, you'll find all of the current potato smash gift coupons. When you enter the site, type potato smashes into the search box to see all of the posts about just the codes. Select on the post to see the table with the gift codes for Potato Smash. Copy and paste and redeem it in your game. Alternatively, you can like the official Facebook page for the potato smash game to acquire all of the game's valid gift codes.