Only the current version so far — new entries appear as the app ships updates.
Guitar Open Tuning Reference is a music & audio app by Jean-Philippe Olivier Glomot with 5,000+ downloads (about 6.8K estimated). +1 installs in the last 7 days. Rated 4.2 from 34 ratings. Released Nov 18, 2018. Install growth, rank history, SDKs and ad networks.
From the store listing: “6 strings guitar open tuning reference”