AMP Codes (@AMPCodes) are redeemable codes that can be used to gain items in Pickcrafter.
Where to find AMP Codes: Edit
Visit the @AMPCodes twitter page (they will be giving out codes randomly).
How to redeem AMP Codes: Edit
In order to use an AMP Code go to Settings Menu in-game (Start by tapping the wooden sign then click the cog wheel), and click the button labeled 'AMP Codes'. Once you redeem the code, if there is redemption remaining, you will receive the reward that the code gives! Codes are
Most codes expire after some time, you should put them in before they do, many older codes will not say that they have expired when entered, instead giving the same message as if they are not actual codes.
("fiveamp" seems to be the only one without an expiration date.)
If the Twitter page posts that the code "stone14"(expired) will give you in-game stone then you enter the code and receive however much stone they have decided you will receive.