Spark is fully free Android app. The source code is public. The app also does not need any unnecessary
permissions. It's a simple Android browser based on Webview. The intention is to provide a simple and light weight but powerful
browser with a nice looking user interface.

Security/Data:
- fully open source
- no trackers
- no unnecessary permissions
- third party cookies disabled by default
- enable/disable cookies javascript location access history
- whitelist for javascript cookies and AdBlocker
- toggle image/third party content loading
- do not track me
- backup data
- AdBlocker
- delete data on exit (optional)

UI/Handling:
- optimized for one hand handling (toolbar at bottom)
- tab control (switch open close unlimited tabs)
- full material design
- fullscreen browsing (optional)
- navigation button in fullscreen mode
- fast toggle for most important settings
- advanced gesture control for toolbar and navigation button

Some nice extra features:
- small size
- search on site
- Web search (from marked text context menu)
- share/save as PDF
- open links in other apps (for example YouTube)