This is Mellow Yellow theme add-on to the chompSMS application. Once installed, access the theme in chompSMS > Settings > Theme It! Note: requires at least chompSMS version 6. 30.
This application was scanned for viruses and it was found 100% secure. Chomp SMS Themes is the creator of the app which can be found in the Personalization category. Mellow Yellow was downloaded and installed by over 10K users and the most recent stable update was on Aug 31, 2015.
According to the latest info, this application is rated 4 on Google Play. Download the .apk installation package of Mellow Yellow 1.4 that is completely free and take a look at users' reviews on Droid Informer. This application setup package requires 472 KB to be successfully installed. The app is built for Android 2.2 and above.