Apex Blue Circle Theme is a personalization app developed by Geekiest for Android devices. This free theme is designed for those who want to add some color to their device with a blue circle pattern. The developer mentions that this theme was developed for personal use and has shared it with others who may be interested.

The icons included in the theme are not of high quality, but the developer has provided an option for users to suggest changes to improve them. It is worth noting that the theme has only been tested on the I9100 device and some icons on Nova Launcher may not be themed. Overall, Apex Blue Circle Theme is a decent option for those who want to add some color to their Android device.