"Only applicable for phones with Xperia™ Style portrait app in Camera.
Style portrait helps you to create a different you by applying your favorite styles when taking portrait photos.
The styles may include face effects, color filters, and deco frames.

Add Bubble style effect to Xperia™ Style portrait application.
With Bubble style effect you can have this real-time style in your viewfinder.
The style of Bubble can be managed and edited in style collection.
Copyright © 2015 Sony Mobile Communications Inc."

From version Bubble 29.1.A.0.1:
All versions
Bubble 29.1.A.0.1
March 1, 2017

Version:29.1.A.0.1

Uploaded:March 1, 2017 at 10:01PM UTC

File size:2.55 MB

Downloads:368

Bubble 28.0.A.0.22
October 18, 2016

Version:28.0.A.0.22

Uploaded:October 18, 2016 at 8:37PM UTC

File size:2.75 MB

Downloads:322

Bubble 28.0.A.0.20
January 28, 2016

Version:28.0.A.0.20

Uploaded:January 28, 2016 at 7:17PM UTC

File size:2.75 MB

Downloads:177

Bubble 28.0.A.0.18
January 27, 2016

Version:28.0.A.0.18

Uploaded:January 27, 2016 at 7:17PM UTC

File size:2.75 MB

Downloads:2