Only the current version so far — new entries appear as the app ships updates.
DeepBlue: BLE L2CAP Tester is a tools app by Savant Labs with 10+ downloads (about 11 estimated). +1 installs in the last 7 days. Released Nov 4, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Test BLE devices: GATT, L2CAP channels, data and throughput, all on your phone.”