It's a bit disappointing that ads appear because the video lectures are produced on YouTube. But I liked that the lecture content was explained well.

minseok2kim4397

Learn Android mobile programs step by step through practical projects. 
While creating a mobile app that measures brain waves and plays music using a Bluetooth brainwave measurement device, learn the basics of mobile app development as well as useful techniques such as SQLite, Bluetooth, and Sound that can be used in real life.

nomad

Android development starting without any plan

안드로이드 모바일 프로그램을 실전 프로젝트를 통해서 단계 별로 익혀갑니다.
블루투스 뇌파측정 장치를 이용하여 뇌파를 측정하고 음악을 들려주는 모바일 앱을 만들면서 모바일 앱 개발의 기본은 물론 실전에서 활용 가능한 SQLite, Bluetooth, Sound 등 유용한 기법을 배우세요.