"Screenshot save button" added.
To save the screenshot you need to allow "access to media on your device".

Features:
- Widely configurable parameters
- Real-time display of frequency and amplitude (max 10 highest peaks)
- Logarithmic scale and linear scale are available for frequency (horizontal axis).
- Zooming and scrolling by touch operations
- Both of portrait/landscape orientations are available.
- Screenshot with timer

Analysis parameters:
- Max frequency: Selected from 96kHz - 2kHz (selectable values depend on the device model)
- Min frequency: 50Hz, 25Hz, 10Hz, 5Hz, 2.5Hz, 1.0Hz, 0.5Hz, 0.25Hz
- Refresh rate: 45fps, 30fps, 15fps, 5fps, 1fps

I hope you to enjoy Sound Analyzer!