Twitter Polls - Polls embedded in tweets
5play.ru - 5play.ru enables you to download highly-rated Apps and Games for Android devices.
Simple Poll - The easiest way to create polls in Slack
iOSGODS! - iOSGODS!
Curious Polls - Answer a question once a day for the chance to win £100/$100
Altstore - A home for apps that push the boundaries on iOS