How can you choose chrome as default browser?
There is an app in Cydia called as BrowserChooser which helps you in choosing chrome as your default browser.
To download this app, you need to add Cydia source. First go to Manage, Sources and click Edit. Then add http://rpetri.ch/repo/ there.
Once you install this tweak you can go to settings app and click browserchooser and then set chrome as your default browser.
That's it folks, use chrome browser better on your iOS device with the above tweak.