Particle can contain your routines and achievement. Its okay if you dont keep it, the white space is also beautiful. - Particle is a routine recording application consisting of yearly, monthly, and daily. - You can make 49 particle types which is representing a routine, with combinations of 7 shapes and 7 colors. - By adding particles to the calendar, you can visually grasp your routine. - You can delete a particle with a long touch action. - You can check the routines that particles mean by touching the legend button in the monthly. - Try changing the app icon or setting dark mode on the setup screen! - You can change the type of particles that have been created to a different shape or color with a long press. Try changing and find a better combination of particles!