This is a Colorful Minimal Theme for GO SMS Pro.
This is NOT a standalone app, so download Go SMS Pro in the Play Store if you haven't already done so.
1. Install GO SMS Pro (free & available in the Play Store)
2. Install this theme
3. Menu -> Theme (under General) -> Color Minimal
If you have any questions/comments/concerns/ideas then please email me at firstname.lastname@example.org
& don't forget to rate 5 stars if you like it! Thanks!