Alvio respiratory app is a fun game which helps little kids with asthma to practice their lungs. It tracks their progress while they play. And because it’s fun, kids will keep playing while they get healthier. Alvio’s games were designed around the ways people need to improve their lung health. Inhaling and exhaling moves the character up and down to hit targets. Other games measure how hard you can exhale, a very important indicator of the seriousness of your condition.