Only the current version so far — new entries appear as the app ships updates.
Mech GPT-GATE & PSU Prep Tool is an education app by Let's Invent Ventures with 50,000+ downloads (about 68K estimated). +2 installs in the last 7 days. Released May 13, 2017. Install growth, rank history, SDKs and ad networks.
From the store listing: “GATE VIDEO LECTURES APP: Prepare for GATE,IES & PSUs for Mechanical”