This app is a CW QSO trainer app for amateur radio operators.
You can freely select and train phrases and content that are often used in actual QSOs.
Available options are RST, NAME, QTH, RIG/ANT, AGE/WX.
(The Callsign option is always selected)
You can also select a call sign from WW (worldwide), JA (Japan), and US (United States).
Furthermore, the presence or absence of noise, CW tone frequency and CW speed can be set arbitrarily.

【feature】
1. Reproduce phrases often used in rubber stamp QSOs
2. Display a pop-up every 10 correct answers

【Other features】
1. CW tone frequency adjustment function
2.CW speed adjustment function
3. Function to select ON/OFF of QRN
4. Ability to select the callsign to be generated from WW/JA/US
5. Equipped with cursor button and BS button to correct input mistakes
6. Equipped with AGN button for re-listening to the same signal
7. In-app help explaining how to use the app

※Limitations
It does not work properly with a Bluetooth headset, but please understand that it is the specification of the application.