Number Adventure funktioniert nicht

To defend their home, game players, who are the residents of the planet, get help from some symbol fairies who have the power to turn dark monsters into colorful balls of numbers.  At Ahaaa Math, we believe maths is perfected through decent concept learning and enough practices. - Become our monthly or annual member, you'll get full access to our app and all the new maps. - Pricing may vary by country.  The storyline takes place on the peaceful planet of Maths, which was attacked by a group of dark monsters who try to turn the planet into a dark kingdom.  Before each game, players will see their "enemy" (target number) and tips to make the target number.  Number Adventure helps players get better at math with small excesses that boots their abilities and their confidence.  The rule of the game is simple: by dragging two balls together and get a result of a targeted amount, the enemy will be defeated.  When players struggle to make the targeted number, they get a hint during the game.  Each chapter covers a certain level of math skills and difficulty level to guide users to learn math through playing.  After each game, players can review the equations they've used in the game.  Make maths fun with this cool iPhone and iPad app - Ahaaa!  This app allows children and adults to explore a variety of arithmetic concepts through gameplay.  This feature will help them monitor their progress in learning each skill.  Each level is designed based on the CCSS curriculum.  Your subscription will be charged through your iTunes account at confirmation of purchase and will automatically renew within 24 hours prior to the end of the current subscription period unless auto-renewal is turned off beforehand. -You may manage your subscription and turn off auto-renewal at any time from your iTunes account setting after purchase, but no refunds will be provided for the unused portion of the period.