Please combine both MRT and busses for your route advice. Sometimes neither will get you there, but a combination of first MRT and then a buss, or the other way round, will.
t would be useful to be able to copy messages in Tips so that they can be translated. There is for example a lot of messages in Chinese for Shanghai stations but if you do not speak Chinese they are useless.
I was trying to find the last train for Line 7 Huamu Lu station, couldn't find any time available. So this, showing the times (1st as well as the last train TIME ) will be good. THANKS!
I would suggest you have a screen that shows the metro map overlayed on a street map to better determine your position in relation to to the metro stops.
If I am taking a taxi to the SH metro its very difficult because drivers do not know the locations of the stations. They only know cross streets. If there was something that gave a main intersection near the station would help a lot when describing to the taxi driver.
Add a configurable option to enable dedicated zoom in/out buttons for the iPhone (like the Android app has). This is very important for one-handed usage.