Google announced on Google+ that they revamped the Google AdWords Express mobile Android app.

The new changes include a new front page interface that immediately shows the advertiser clicks, views and calls from your ad. Also, when you make edits to your ad text, the ad preview updates above where you are typing.

Other changes include:

– New look and feel with material design
Remove search phrases that may not be the best fit for your business (and add them back if you need to)
Choose to receive additional important notifications about your ads
Several stability improvements and bug fixes

You can get the update on Google Play.

Forum discussion at Google+.