User Agent

Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.108 Mobile Safari/537.36 wkbrowser 4.6.97 2001151 js 5.1.1 newfocus lng=en

This user agent belongs to WKBrowser. Keanu Lee developed this Browser. This Browser run on Android and it renders web contents with Blink on general Mobile Phone.

Browser - WKBrowser

WKBrowser

Version4.6 @ 32 bit
DeveloperKeanu Lee
ParentWKBrowser 4.6
Device TypeMobile Phone

Act as 

Crawler No
Fake No
Anonymized No

Device - Oppo

BrandOppo
ModelA37f
Platform android 5.1 (32 bit) by Google Inc
Mobile Yes
Tablet No

Capabilities

Rendering EngineBlink by Google Inc (a WebKit Fork by Google)
Pointingtouchscreen
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