User Agent

Mozilla/5.0 (Linux; Android 4.4.3; KFAPWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/44.1.81 like Chrome/44.0.2403.128 Safari/537.36

This user agent belongs to Silk. Amazon.com, Inc. developed this Browser. This Browser run on Android and it renders web contents with Blink on Kindle Fire HDX 8.9.

Browser-Silk

Silk

Version 44 @ 32 bit
Developer Amazon.com, Inc.
Parent Silk 44
Device Type Tablet

Act as 

Crawler No
Fake No
Anonymized No

Device - Amazon

Brand Amazon
Model Kindle Fire HDX 8.9" WiFi
Platform android 4.4 (32 bit) by Google Inc
Mobile Yes
Tablet Yes

Capabilities

 

Rendering Engine Blink by Google Inc (a WebKit Fork by Google)
Pointing touchscreen
Javascript Yes
CSS Yes Version: 3
Cookies Yes
Tables Yes

 

Frames Yes
IFrames Yes
Background Sounds No
Java Applets No
VB Script No
Activex No