BusTracker Taichung is a maps & navigation app by Yahoo with 1,000,000+ downloads (about 2M estimated). +2.1K installs in the last 7 days. Rated 4.2 from 22K ratings. Released Aug 8, 2011. Install growth, rank history, SDKs and ad networks.
From the store listing: “Bus tracker for Taichung.
* Route search
* Route planning
* Nearby route
* Airport Intercity
* Bus transfer information
* Bus running status”