Only the current version so far — new entries appear as the app ships updates.
スペ順 - 同人イベントの巡回とお使い is a productivity app by StackWorks LLC with 0+ downloads. Install growth, rank history, SDKs and ad networks.
From the store listing: “Read the space number and proceed in order. From records of what you bought, what's sold out, and what you'll do later, to budgeting, currency exchange, and settlement of your purchases.”