Google Chrome is possible the best browser for Android out there. It does come with quite a "basic" look by default, but underneath it pack the best web technologies and most advanced security measures. With the beta release, you get to test out all upcoming features. Have a look at chrome://flags for additional, yet experimental, settings to tinker with.
App Description from Google Play
Welcome to Chrome Beta for Android!
• Preview the latest features: Try out the newest features. (Sometimes these may be a little rough around the edges.)
• Give early feedback: Let us know what you think and help make Chrome for Android a better browser.
You can install Chrome Beta alongside your current version of Chrome for Android.