Changes in Android App

We've got an feedback collecting app which requires few changes. 1. Calendar Look and Feel (Existing calendar needs to be more beatiful) 2. Adding yes or no ratings 3. Changing web service urls to new urls. This is a small work, which an expert could do very fast. looking for freelancers who're willing to work on future customizations of the projects and looking for a long term relationship. Attaching the existing app. admin panel credentials (admin/admin)