Knight Moves Tour Chess Puzzle Icon

Knight Moves Tour Chess Puzzle

Version 1.0.2 February 18, 2024
CW Morse Code Trainer RX Icon

CW Morse Code Trainer RX

Version 1.0.8 September 28, 2023
4x4 Mini Chess Puzzle Games Icon

4x4 Mini Chess Puzzle Games

Version 1.0.8 September 27, 2023
Alphanumeric Morse Code Tutor Icon

Alphanumeric Morse Code Tutor

Version 1.13.0 September 30, 2023
Amateur ham radio Q-code quiz Icon

Amateur ham radio Q-code quiz

Version 1.1.10 February 18, 2024
Morse Code Defender TX game Icon

Morse Code Defender TX game

Version 1.0.8 September 30, 2023
4x4 Solo Mini Chess LS test Icon

4x4 Solo Mini Chess LS test

Version 0.0.7 November 19, 2023
Simple Barcode QR-code Scanner Icon

Simple Barcode QR-code Scanner

Version 1.0 May 30, 2022
和文モールス練習  Japanese Morse code Icon

和文モールス練習 Japanese Morse code

Version 1.1.14 September 27, 2023
Math Brain Teaser Puzzle Games Icon

Math Brain Teaser Puzzle Games

Version 1.4.0 November 19, 2023
CW Morse code iambic practice Icon

CW Morse code iambic practice

Version 1.1.17 September 29, 2023     
Morse code practice oscillator Icon

Morse code practice oscillator

Version 1.2.20 September 27, 2023
Amateur Radio Grid Square Tool Icon

Amateur Radio Grid Square Tool

Version 1.0.18 September 28, 2023     
25 WPM CW Morse code trainer Icon

25 WPM CW Morse code trainer

Version 4.0.31 September 26, 2023
10 WPM CW Morse code trainer Icon

10 WPM CW Morse code trainer

Version 4.0.31 November 16, 2023    
20 Second Tap the Shapes Fast Icon

20 Second Tap the Shapes Fast

Version 1.1.16 December 01, 2023     
30 WPM CW Morse code trainer Icon

30 WPM CW Morse code trainer

Version 4.0.31 September 26, 2023
15 WPM CW Morse code trainer Icon

15 WPM CW Morse code trainer

Version 4.0.31 September 26, 2023