A curated list of awesome app store and google play toolkit lists.
A sketch framework to make creating screenshots for the App Store incredibly simple.
Review Monitor is a free tool that continually checks the App Store and when a new review is detected, it's posted into your team's Slack channel or sent to you via email.
Screenshot Builder makes it easy to create gorgeous, custom images for your App Store page and export them in every resolution Apple requires.
Upload screenshots, metadata and your app to the App Store using a single command.
Automate taking localized screenshots of your iOS app on every device.
Clean up your status bar for taking screenshots on the iOS simulator.
Compress PNG images while preserving transparency
Google Play Screenshots, Feature Graphic and More