To unlock Google Translate on your Android device, simply follow these steps. Firstly, open the Translate app on your phone or tablet. Then, tap on the Menu at the top right corner and select Settings. From there, tap on "Tap to Translate" and enable the feature. If you're using Android 10 or a newer version, you can tap on "Paste" to enable quick translations. For Pixel 6 and newer devices, you have the option to turn on the "Show floating icon" feature for convenient access to translations.