Only the current version so far — new entries appear as the app ships updates.
Silent Gear モノクロ歯車壁紙きせかえ is a personalization app by +HOME by Ateam Entertainment with 10,000+ downloads (about 13K estimated). Rated 5.0 from 72 ratings. Released Apr 25, 2012. Install growth, rank history, SDKs and ad networks.
From the store listing: “Theme simple overlapping gears.”