Check the button pin. If you are not attached button (and you are using button enabled sketch) watch stops after initialization process. And check the Arduino-BT serial connection also.
Sorry iPhone is not available now.(and for a long time)
Refer to below link:https://github.com/arduino/Arduino/wiki/1.6-Freque...By using the Arduino IDE 1.0.6, you can solve this problem
You have to setup the Eclipse IDE + Android SDK. Find guide by searching google.
Of course. It's easier way
No, only supports Android.
Magpi: The Micro Arduino Gaming Platform Interface
Arduino 3-axis Mini Lazer Paper-Cutter
How to Use a Laser Cutter
How to Whiten Your Teeth with Common Household Materials
Playing Wave file using arduino
Microcontrolled AC switch.
Create faceted papercraft-objects
Coin Sorting Machine (Runs On Gravity)
Turn a dead laptop into a monitor with Plexiglas stand
Make your own smart watch