Take screenshots of Mobile Apps via Appium and do image comparison

[kazurayam]

Appium supports taking screenshots.
http://appium.io/docs/en/commands/session/screenshot/

Although the screenshot takes the image of the viewport only --- not "full-screen".

If we accept this limitation, then VisualTestingInKatalonStudio can "support" mobile apps.

ttp://www.software-testing-tutorials-automation.com/2015/12/appium-capture-screenshot-android-app.html