With stickers from Google+ and Hangouts on iOS, Stickers for Hangouts allows you to send animated GIF "moods" to your friends and family, as you would pictures, without hassle
It's easy to use, you just select the sticker from a menu when attaching an image as you would a picture of your cat, and it's free!
The included stickers are: (these are Google's names, not mine)Angry, Cake, Cat Happy, Cat Heart, Celebration, Cheers, Confused, Crying, Double High Five, Fist bump, Flexed Arm, Frustrated, Ghost, Halo Guy, Happy, Happy Blushing, Happy Crying, Heart Eyed, Joy, Kiss, LOL, Meh, Mums The Word, Music, Oh No, Okay, OMG Terrified, Poop, Praying, Princess, Sad, Scared, Sick, Silly, Sleepy, Smirk, Sparkling Heart, Sunglasses, Thumbs Down, Thumbs Up, Thumping Heart, Waving, Wink, Winter, Worried, Spring, Valentine, New Year, Irish
As well as some extras from the easter eggs (ponies included)
The app includes a detailed guide of use and a YouTube video displaying its use
Note: Stickers are images, they will count as MMS messages if sent as a text, but are still free if you are using a hangouts chat (Google to Google)
Permissions:Internet - Used for the imagesAccess WiFi state & Access network state - Used to check for updatesStorage - For storing the stickers