This release does not have a Play Store Description, so we grabbed one from version 29.1.A.0.3:

Add style effects to your portrait photos.

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.
All the styles can be managed, edited and downloaded in style collection.

Interaction with Style portrait:
1. Real time preview and select your favorite style for portrait photos in viewfinder;
2. Edit your portrait photo with style editor;
3. Download & create your favorite style in style collection.

Copyright © 2015 Sony Mobile Communications Inc.
Note: This application uses analytics software to collect and aggregate statistics to help us improve this app and our services. None of this data can be used to identify you.

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This release may come in several variants. Consult our handy FAQ to see which download is right for you.

29.1.A.0.4 APK
April 25, 2017
Android 5.0+
All Releases
November 26, 2017
August 14, 2017
April 25, 2017
October 19, 2016
January 30, 2016
January 26, 2016