1. I installed it for use when holidaying here in Boston.I wish that the ads didnt pop up as soon as the app opens... other than that it helps me get around.App did Not open , just kept giving circling arrow.
2. Other MBTA app Did open.I can read a map.
3. It's wicked helpful, and all I needExcellent interface.
4. used on my Samsung with no problems at all.
5. Very useful, little app.