Tab History is an exclusive Add-on for Boat Browser V3.0 or above. It only can be used after Boat Browser V3.0 or above is installed. Please search “Boat Browser” in Google Play. Tab History add-on is used to list the history of current tab, and then you could go to the page you want quickly. After installing the Boat Browser and Tab History add-on, you could find it in extra toolbar. You also can manage your add-ons in “Menu” -“Add-ons”. Tab History Add-on will show Admob Ads when you use it. Thanks for your understanding. And you also can remove Ads in this add-on by clicking “Remove Ads” button. Please feel free to give us your feedback, and your suggestion will be very helpful to us.Email: boatbrowser@gmail.com