By google's rule, only support Android 6- latest version.
Only the current version so far — new entries appear as the app ships updates.
Succulent Light Meter is a tools app by Cheng-Yuan Wu (IEDA) with 5,000+ downloads (about 6.6K estimated). Rated 1.0 from 51 ratings. Released Feb 17, 2016. Install growth, rank history, SDKs and ad networks.
From the store listing: “Succulent light meter predicts the possible growing status for your succulents.”