Reminder program.
Six timers with the possibility of sound notification, sending SMS and e-mail. It will be needed for delayed sending SMS, messages by mail.
This is not a system application, so it must be running in the background for it to work. Works only for the current day. The state of the timers, the description of the event of the timers, and the state of the desired buttons can be saved. The minimum functionality, everything should be clear without instructions.