Spin3 (which specializes in mobile gaming software) developed the new app in conjunction with Microgaming, which is the online casino and poker software provider that developed and offers Mega Moolah.

Mega Moolah has made eight players instant millionaires since it was released four years ago and is consistently one of the biggest online progressive jackpots available.

Iit currently sits at just over £2,350,000 and can be played at casinos including Rome Casino and All Slots Casino.

With mobile users now able to try a few spins at Mega Moolah even when they're away from their laptops or desktops, it's possible the progressive jackpot will grow even bigger with more players feeding into it.

Spin3 now says that Mega Moolah is available immediately as a fully native Android app and has been optimised for smartphones including the HTC Flyer and the Samsung Galaxy Tab.

It can be downloaded for free via the Android Market in the UK.

Spin3 has also created a mobile Android app for the popular Tomb Raider online slot machine.

The company is focusing its efforts on the Android market, as it's much easier to get gambling apps approved for distribution in the Android Market as opposed to Apple's App Store which is much more restrictive.

"We're experiencing a cultural and technology revolution, with mobile devices like smartphones and tablets becoming one of the fastest growing consumer technology segments today," said Matti Zinder, Head of Spin3.

"Given the dramatic growth and popularity of smartphones, a high quality Android offering is a crucial part of any successful mobile gambling strategy.

"We're confident that the millions of Android fans will help the world's biggest progressive slots game become even bigger."