1. Download app
2. Open installation file
After the installation file has downloaded, swipe down the notifications list from the top, and tap on the file "dink_android.apk"
You can also go to File Manager app and select "dink_android.apk" in the Download history.
3. Install the d!nk app
On the warning message, click "Install" and the d!nk app will install on your Android tablet.