iOS 10.2 adds two new screen effects to the Messages app: Celebration and Send With Love. These effects can be sent through the Messages app to anyone with a supported iOS device. Both users must have iOS 10.2 or later installed to send and receive both Celebration and Send With Love, or any iOS 10.0 screen effects. Here's how to send both Celebration and Send With Love from any supported iOS device:
Update: You can disable bubble and screen effects in iOS 10 and later by navigating to Settings > General > Accessibility and switching on the Reduce Motion slider. This will disable all message effects on your device.
In iOS 10 and later users can send animated effects attached to messages in the Messages app. These effects can only be sent between iOS devices running iOS 10 or later. If someone is not running iOS 10 or has an older device that does not support iOS 10, they will not be able to receive the animations.
The iOS 10 animations include: Balloons, Confetti, Lasers, Fireworks and Shooting Star. Here's how to send an animation from the Messages app on your iOS device: