Dog whistle widget PRO

Dog whistle widget. Install + configure = use in one click.

Try free version before purchase this ad-free version.

Features:
- Adjustable frequency (0Hz to 22000Hz)
- Adjustable duration
- Configurable widget icon

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Instructions:

Method 1:
Press Home button followed by Menu button. Select Add -> Widgets -> Dog Whistle

Method 2:
Press Home button to show the home screen. Tap and hold your finger on any available space, select Widgets -> Dog Whistle Widget