This is the Blue Light Theme add-on to the chompSMS application. Once installed, access the theme in chompSMS > Settings > Theme It! Note: requires at least chompSMS version 6. 31.
It's secure to download this application. The app has been originally developed by Delicious and it refers to the Personalization category. Blue Light Theme has the overall rating 4.4 on Google Play.
Over 10K users downloaded and set up this application and the latest release was on Jun 15, 2018. Get the setup package of Blue Light Theme 1.6 that is completely free and have a look at users' reviews on Droid Informer. The app runs flawlessly on Android 2.2 and above.