automate beta deployments and releases for your iOS and Android apps. It handles all tedious tasks, like generating screenshots, dealing with code signing, and releasing your application. • ⼀一個⼯工具,讓你可以⽤用很簡單的⽅方式發佈 Apps, 處理理 iOS code signing 等問題。 • 最初是為了了 iOS 開發,後來來才新增 Android。