There's a jackpot storm brewing at Jackpot Capital Casino. The popular online casino has just added one of its favourite online slots, the tornado-themed Triple Twister, to its mobile casino.The new title from RealTimeGaming see players become storm-chasers on the hunt for spectacular jackpots. In addition to the Win-Win bonus game feature, which makes sure everyone wins during its mobile games, nine free spins can be triggered when three or more weather vane scatters appear.This being Jackpot Capital Casino, there are some juicy freebies on offer to celebrate the Triple Twister lauch. Players from around the globe have until 23 July to claim 20 free spins and earn a deposit bonus of up to $150.To claim the 20 Free Spins players should use the coupon code MOBILETWISTER (only available in the mobile casino). Make a deposit using the code TRIPLETWISTER to claim the Deposit Bonus. 50% will be added to the first $50 deposit, then 100% will added to up to $125 more for a total bonus of up to $150). “I love the new mobile casino games – you can play them anywhere!” said one regular player “This time of year it’s great to be able to take my iPad or even my phone out to the deck to play my slots.” Jackpot Capital's mobile casino will be celebrating its first birthday this autumn. It's been a busy few months so far with 14 mobile slots launched already including Aladdin’s Wishes, Aztec’s Millions and T-Rex. It’s also one of the few casinos to offer mobile Blackjack.iPhone, iPad, Samsung Galaxy and Google Nexus users should visit m.jackpotcapital.eu to access the mobile casino.