CryptoTab doesn't only work in Chrome but you need a desktop/laptop to use it.

When you click through to the site, CryptoTab will detect the browser you are using. It works in Google Chrome, Firefox and Opera. To use in Firefox, click 'Add to Firefox' To use in Opera, you need to have the 'Install Chrome Extensions' extension installed - follow the instructions for each browser.

Earn Bitcoins using Google Chrome

CryptoTab - Earn Bitcoin while simply using Google Chrome!
Become a part of a huge mining pool.
The more people using the miner - the better for all! The bigger the pool’s computing power is, the bigger blocks can be solved, the more money we will all earn!

Scroll down to learn more!  Click any slide to install!