Only the current version so far — new entries appear as the app ships updates.
推し活マネージャー(毎日の推し活を楽しく) is a lifestyle app by Olive System with 100+ downloads (about 312 estimated). +8 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “We'll support your entire "oshikatsu" (supporting your favorite idol) life! From managing your favorite idols to event schedules and payment records, you can enjoy managing everything with just this one app.”