Firefox
Getting Started with Firefox
Firefox for mobile devices
Firefox can also be used as a web browser on mobile devices. Available for Android, the Firefox app allows you to browse the Web, open multiple tabs, conduct searches, and more. You'll even have the option to sign in to Firefox on your mobile device, allowing you to sync bookmarks, saved passwords, browsing history, and settings across all of your devices.
Installing Firefox on an Android phone
Viewing multiple tabs in Firefox