The app is updated to new version 0.1.3.

Change log (v.0.1.3 - 15 Apr 2014):
• Adds a feature to reset the usage log of certain apps.
• Minor performance improvement.

Previous versions change log:

Change log (v.0.1.2 - 12 Apr 2014):• Performance improvement.
• Minor UI improvement.
Change log (v.0.1.1 - 23 Mar 2014):
• Fixes bug which makes the usage log inaccurate if the accuracy is set to "Auto" or >30 seconds. The problem is fixed for new/future usage log, however the existing usage log would still be inaccurate.
• Adds an option to set accuracy to 5 seconds.
• Minor UI improvement.

Google Play link

Thank you very much.