Taekwondo Training, developed by N-Droid Development, is a free Android app that serves as a handy training aid for anyone interested in learning Taekwondo. The app offers an extensive library of content ranging from theory to practical training. The theory section covers topics such as Taekwondo history, general theory, meaning of color belts, theory of power, styles and organizations, ranks, belts, and promotions. The app also has a terminology section that covers Dojang terminology, Tul stances and techniques, blocks, hand techniques, foot techniques, ground techniques, body parts, vital spots, human vital spots, and additional Korean terminology.

Furthermore, the app includes color belt pattern videos for Saju Jurigi, Saju Makgi, Chon Gi, Dan Gun, Do San, Won Hyo, Yul Gok, Joon Gun, Toi Gye, Hwa Wrang, and Choong Moo. Additionally, black belt patterns for 1st Dan, 2nd Dan, and 3rd Dan are also available for viewing. However, an internet connection is required to access the videos. Taekwondo Training is a great app for anyone interested in learning Taekwondo, whether a beginner or advanced practitioner.