This is an EvolveSMS theme.
- Square bubble with blue triangle that stretches along the bottom to add highlight to the bubble.
- Chat heads included.
1. Install App
2. Make sure that you have bought the customization pack and installed EvolveSMS.
3. Go to EvolveSMS Settings -> Theme Settings -> Use Add-on Theme -> choose your theme.
There are other themes made by other developers on the G+ page for EvolveSMS - https://plus.google.com/communities/101722781061844311332