The interface consists of three parts:
"O`Sensei calligraphy" which contains over 120 copies of O`Sensei calligraphy,
"Portraits of students O`Sensei" which contains portraits of 80 students of master Morihei Ueshiba,
"Dictionary aikido" which contains over 500 words along with the kanji.
Discovering the traditions and philosophy of aikido,
Learning basic vocabulary,
Knowledge of the aikido masters.
"Aikido. Legacy of the O`Sensei" app does not need an internet connection to function properly. Dedicated for smartphone. Suggested ANDROID 4.3 (or higher). NOTE: need a lot of free RAM to run "Aikido. Legacy of the O`Sensei" app.