Who needs Uber when so many cities offer world-class public transit? The Transit app shows mass transit options—including buses, ferries, and trains—and the estimated time of arrival in 87 cities in North American, Europe, and Australia. Here in New York, it even tells you how many bikes are parked at local Citi Bike stands. This app keeps you in the know no matter where your travels take you.
Developers may find Mobogenie to be a great option for selling their apps. There’s an app review process with a snappy 24 hour turnaround, and the revenue split is an attractive 80/20. Mobogenie was originally developed in India and has a large user base there, but also supports multiple languages and could provide inroads into some markets where the Play Store isn’t so popular.

Dropbox pioneered the personal cloud service, where all your stuff would be available no matter what device you were using. On Android, it holds its own—even against the highly integrated Google Drive. Dropbox can also act as a seamless backup for your images, automatically uploading every photo to the cloud. It even includes some light image editing tools. If you're the type of person with lots of files already stored in Dropbox, this app is a must-have. Droid App