You can install Chrome Dev alongside other channels of Chrome for Android.
• Live on the bleeding edge: Try out our latest features. (They’ll be rough around the edges!)
• Give early feedback: Let us know what you think and help make Chrome for Android a better browser.
Information can be found on the Chrome Releases blog at goo.gl/DVv1zp
Version: 50.0.2661.26 (266102651) arm64
size: 76.86 MB (80,590,505 bytes)
Min: Android 5.0 (Lollipop, API 21)
Target: Android 6.0 (Marshmallow, API 23)