SPS has added more uses it's always had a usecase as a the governance token for Splinterlands, you'll be able to stake for Vouchers for pre-sale Card expansions and you'll be able to use SPS to buy card packs when they release.
Splintershards (SPS) is a new cryptocurrency governance token which will be integrated into the Splinterlands game in order to provide increasing levels of decision-making ability and control over the product to the player-base, asset owners, and other stakeholders.