Main functions
・ Up to 100 wordbook registrations
・ Up to 50 words can be registered in one word book
・ Colorful background color and text color display
・ More than 80 sweets icon
・ Function to narrow down the target cards for practice (settings such as unlearned cards and sticky notes only)
・ Speaker audio output during practice
・ Practice card shuffle function
・ Use the heart mark for "learning"
・ Paste colorful sticky notes
・Copy book via clipboard