It is a simple application that only questions English words randomly.

Word test
・ The words of the specified condition are randomly presented.
・ You can select 3 modes: Japanese to English, English to Japanese, and Listening (voice to English).
・ Tap a line to play the pronunciation.
・ Press and hold a line to copy a word.
・ Press the right switch to display the answers, and all the answers with the All Answer button.

Word list
・ Displays all registered words. Searchable.
・ Tap on the problem line to play sound, long press copy.

Configuration
・ Configure various settings.

Picture: Piyota (https://hiyokoyarou.com/)