Use APKPure App
Get Test Lab - Basic old version APK for Android
Test Lab-Basic은 테스트 용 앱입니다.
With this app, you can test apps you're making in real time on your Android smartphone. Test your app with App Test Lab and even show it to others with Test Lab.
Simply download Test Lab, login with your credentials and test the app you’re making. This app only lets you and others view & test the app on smartphones or tablets. For building and designing your own app.