Only the current version so far — new entries appear as the app ships updates.
易爻(实用) is a lifestyle app by Windsails with 1,000+ downloads (about 2K estimated). +6 installs in the last 7 days. Rated 5.0 from 72 ratings. Released Nov 5, 2015. Install growth, rank history, SDKs and ad networks.
From the store listing: “Professional divination software combining the Plum Blossom Easy Number and the Six-Yao Principle”