Learn English, Japanese, Chinese, France, Russian, Korean For Every TimeETS System using a smartphone with a specified interval of time learning the content.A simple but very useful learning program.Big Hit: *** notification at the moment is the most appropriate sentence.Difficulty learning a foreign language can help you do not forget.Key Features-Learning different languages : ENGLISH,KOREAN,RUSSIAN,JAPANESE , etc-Specifies the notification interval : 1,5,10,30,60 Minute interval-Specify the notification methods: Slient/Sount/vibration-Repeat the study support the selected sentence-Specify the sleep timeThank you.