Step 1) Select the Line that your are traveling with
Step 2) Select the target Train Station
Step 3) Set the alarm.
The phone will wake you up by vibrating when you get close to the target station (<1000m).
An indicator will show you the distance to the target station. This app is using the GPS and the Locating service to find the distance to the target station.
User interface in Japanese and English language.
Den En Toshi Line
JR Yamanote Line
Shonan Shinjuku Line
Toei Asakusa Line
So far 182 stations selectable.
More stations and lines will come with the next updates.