- iOS App Store
- Paid
- Yasuyoshi Ota
- Education, Trivia
Release Date: January 2013Last Update On: June 2023
Improve Sensory Memory & Working Memory using N'Back. ◆1'Back --- 10'Back ◆Flash Mode / Slow Mode / Step Mode Tap the number key matches the one from N steps earlier in the sequence. In 1'Back 1...