我建議新加坡地鐵除了成人車資卡票價外，亦建議加設以下車費:
單程票票價、學生車資卡票價、長者/殘疾人士車資卡票價及就業入息補助計劃車資卡票價

Give a place to leave notes so if I stay at a particular hotel I can put in the closest subway in my notes and plan from home with this great app.

Add be the times for those stations where it is missing in the Shenzhen app

I suggest you add some information about he easiest way travelers can get to the ticket counter when arriving at the Louhu Train Station from the selection of exits. Which exits are closest to which ticket counters? That would make my life a lot easier since it's a huge station to the newcomer.

I've been working at Shanghai, Beijing, Guangzhou, Shenzhen and Hong Kong. I enjoy using the metro maps in all these five cities. I will be moving to Hangzhou this September. No metro map there yet. Can you please do one?

上海的10号线，从龙溪路到虹桥火车站需要12分钟。前进一站到达上海动物园站，此时从上海动物园站到虹桥火车站需要13分钟，时间反而增加了。

Make the map fit the screen so there is no blank space remain

List stn alphabetically for easy seaching.

You can use google earth and measure the distances between the stations, and implement that information into your network apps. This idea will improve your apps.

Shouldn't the text of Baoshan Rd be in red on the map?

Line 2 regularly ends at Guanglan Road. There you can change to another (short) line 2 to Pudong Airport, same platform.

I want to share this app with friends on WeChat or QQ but am unable too - or even Facebook messenger or WhatsApp

Ideal to show other rounds and times followed by walking distance in metro would be idea to plan full journey correctly