If you want to include hidden words or sentences into the learning process in the Hands-free Mode, you have to:
1. Go to the "Tools" tab.
2. Tap on "Hands-free".
3. Choose what you want to learn in the Hands-free Mode: Words or Sentences.
4. Tap the "Settings" icon.
5. Tap on the "Hidden" button.
6. Tap on the switch to include words and/ or sentences into the learning process.
Note: This option is available only on Android devices.
The Hands-free Mode is only available upon Paid Subscription.
What is the Hands-free Mode?
How do I use the Hands-free Mode?