Read all about Chrome Canary.
Welcome to Chrome Canary for Android.
• Experimental – This release has not been tested. It may be unstable or fail to run at times. Recommended for developers and advanced users only.
• Frequently updated – Updates may be distributed up to seven times per week, consuming 100MB of bandwidth. Be careful when updating apps over cellular data.
• Give early feedback – The best way to help make Chrome for Android a better browser. Click “Help & Feedback” from the menu to provide feedback.