Instructions for the talking alarm clock app:

A long or short click on the time textbox will speak the time.
A short click on the alarm time textbox will toggle the alarm on/off.
A long click on the alarm time textbox will speak the alarm time.

The alarm time can be set using the increment /decrement buttons (hours++, hours--, minutes++ and minutes--)
A long click on the minute increment/decrement buttons will increment/decrement by 10 minutes (per long press)
A long click on the hour increment/decrement buttons will increment/decrement by 2 hours (per long press)

A 5-minute alarm snooze function is activated by a tap on the touch screen while the alarm is playing. The alarm clock will also automatically snooze after 20 alarm rings. It will snooze up to 3 times after which it will give up and automatically turn the alarm off.