Only the current version so far — new entries appear as the app ships updates.
忘れないメモ)SynapseMap-メモをハッシュタグ管理- is a productivity app by DIP-milktea with 100+ downloads (about 230 estimated). Install growth, rank history, SDKs and ad networks.
From the store listing: “This app is an app that allows you to record (remember) and manage hashtags so that you do not forget the memos you entered. (Synapse map)”