中学生向け英単語アプリ「ドルたん」

“Dollan” is an English vocabulary app created for test takers who work hard within their limited study time.
English words and phrases that appeared on public high school entrance exams are extracted from past questions and compiled into a database. By dividing them by frequency and arranging them in order of the number of times they appear, we have made it possible to study more efficiently!
It can also be used for relearning by high school students.
Dorutan the dolphin is waiting for you♪