All information about Helsinki public transport in your phone. Offline!
Timetables of public transport (Helsinki city and regions, Finland).
Full description on web-page: http://hsl.2rooms.net
Languages: eng, fin, rus, fra, esp, est, swe, vie
Source code is here: https://github.com/w32blaster/helsinki-timetables
Note:
this app requires about 75MB free space on SD-card (sometimes more, when database keeps all timetables from summer and winter periods).