SerenaBot - A simple chatbot for Serena Williams
Curious Polls - Answer a question once a day for the chance to win £100/$100
Kanye Cube Blast - Help Kanye beat the haters by basting all the cubes!
Polls for iMessage - Group Decisions Made Easy. Create polls, vote, and view the results directly in iMessage. The easiest way to make any group decision.
Pewdiebot - Chat with the bot version of the king of YouTube, PewDiePie
minipoll - Create simple shareable polls in seconds