What is the Taipei Metro Route Map application, how does it work?

According to the introduction of BloodyLuna, Taipei Metro Route Map is a Maps & Navigation app on the Android platform. There is currently a 1.21 version released on Mar 13, 2017, you can see the details below.

1.Select Station to query travel times and fares directly.
2.Button below to switch: travel times / fares, route planning, tickets types, station button switch.
3 The first time you may wait a few seconds before data initialization.

Sources：
1. Taipei Rapid Transit Corporation.
2. Taipei City Government.

What's new in version 1.21 bug fix