⬇ 100+ downloads
Est. actual: 200
Style: Educational
Free
Released: Jun 23, 2026
No in-app purchases
Contains ads
Installs since launch
Tracking since Oct 5 — growth appears once we have a second daily reading.
科学的に証明された脳トレーニング。デュアルNバックで記憶力・集中力を鍛えよう！
