Unmatched Air Traffic Control (UATC) Voice Recognition Option not visible

In the gameplay settings, Audio, there is no checkbox to enable voice recognition. There are only two choices, Pilot Voices and Subtitles.

Configuration

• Samsung Galaxy S7, Android 8.0.0 (API 26), last version for this phone Android

• Language: English (United States)

• UATC v 2022.06

• UATC language:English

• Permissions granted to UATC: Microphone

• Microphone/headphones work in other applications.

• Using a Google Play account.

What's missing?

Thanks!