Memo: copy & share by 1 tap [iOS, Android]
Notepad for a canned text and copy/paste list
MarkSheet: answer sheet [iOS, Android]
answer sheet for easy scoring
Cursive: Learn English Cursive [iOS, Android]
Practice Cursive by Tracing
ToDo: Simple ToDo List
Simple ToDo List
ScorePDF: Sheet Music Viewer [iOS, Android]
For Easy Page-Turning
QR: Read & Create [iOS, Android]
Free & No Ads 2D barcode reading and creation ...
ColorScheme for M3 [Web, Android, iOS, MacOS]
Generate Color Scheme.
CLQA: Make Your Flashcard List（iOS, Android, Web)
Make Your Flashcard List
Chord Quiz: Learn Piano Chord [iOS, Android App]
Chord Quiz, Chord Search App
100 Square Calc [Android, iOS]
For Add & Mul Practice