1. It can be used in Cars, where the music will change along with the user's emotion.
2. In personal rooms, whenever you enter the room, the speaker plays the song that matches your mood.
Future Updates
1. When you feel asleep while driving in a car, then a loud alarm tone plays with the alarm's volume set to maximum to wake you up.
2. You will be able to replace the songs dynamically (upload songs on the website).
3. Users will be able to change the intervals dynamically (on the website), determining how long the program should wait before detecting the emotion and changing the song.