In this moment have had airdrop SPS. You hold DEC in your game you will receive SPS every day. So we will hold DEC is best choice. DEC will increase price in next moment. Swap SPS to DEC and hold it in game to receive more than SPS. When airdrop SPS is end. This moment SPS is increase price. SPS will list on more market such as binance,.. I hope my guess is truth. :)