I've developed a new design with character bunny. The app includes beautiful animations. Smart Bunny use simply for understanding algorithms during the mental arithmetic. Key features of Smart Bunny: localization for 4 languages; effectively built training system; a lot of different techniques and tricks. To complete the lesson, there are 3 lives, they will recover after 3 minutes. They can also be obtained when watching a video, sharing the application with friends or buy in the store.