Only the current version so far — new entries appear as the app ships updates.
MHW Tools スキルシミュレーター is a tools app by corombo13 with 10,000+ downloads (about 35K estimated). +4 installs in the last 7 days. Released Mar 12, 2018. Install growth, rank history, SDKs and ad networks.
From the store listing: “PS4 is an auxiliary tool for the game "MHW (Monster Hunter World)".
Currently skills simulator function has become the main.”