Best apps like 都道府県名クイズ＋

Character Search - Brain Train

Adjustable Brain Exercise

Free

Engage in cognitive training by locating characters displayed randomly on screen in a specific sequence. This app offers adjustable difficulty, multi-language support, and detailed result tracking for multiple users. It's designed for improving concentration and brain activation, supervised by rehabilitation specialists.

Organic Chemistry Reactions

How to write curved arrows

$4.99

Learn organic chemistry reaction mechanisms with detailed video explanations using curved arrows. This app helps students master fundamental concepts and electron flow for better understanding. Study offline, switch between English and Japanese, and access over 140 videos covering various reaction types.