Where is my train || App || Google Acquires
When creating an app , look to build apps that can benefit the crowd. This is a strong idea and when google takes this app, the updates are going to be awesome!
Negative reviews are fine just look for a strong idea and keep building apps
https://play.google.com/store/apps/de...
You can also build apps like these, just start to learn android development --- https://bit.ly/2Eay9ch