Android WebView App with Browser Features

I'm in need of an Android WebView app that incorporates essential browser functions, particularly tab management. It should also support comprehensive multimedia features like video playback, audio playback, image viewing, and the capability to download and watch content.

Ideal Skills and Experience:
- Proficient in Android app development
- Strong understanding of WebView implementation
- Experience with multimedia feature integration
- UI/UX design experience (preferably modern and minimalistic)