Purpose: Mobile applications (apps) may help students develop their motor skills by using instant, augmented feedback. This study incorporated an app technology that may support students' skill and game play development during a badminton unit. Methods: Two eighth-grade classes participated in the study (the teacher only used the app in Class A; students used the app in Class B). The Poole forehand overhead clear shot skill test, game performance assessment instrument, and opportunity to respond observation tool were used to measure students' skill and game improvement in the study. Students in both intervention classes improved in the clear shot skill, game performance assessment instrument scores, and opportunity to respond rates throughout the badminton unit. Further research on the use of such app technologies should focus on how the apps can be innovative to foster student learning in game play within a variety of contexts in physical education settings.