TOMOY is a developer and creator based in Japan. Alongside software development, I hold national qualifications as an Industrial Counselor and a Career Consultant — fields centered on human psychology, occupational mental health, and how people think, decide, and grow under pressure.
Working in counseling and career development gave me a sustained interest in how working memory is discussed in relation to attention, decision-making, and the ability to manage complexity. In workplace support settings, I repeatedly noticed what appeared to be a relationship between differences in working memory capacity and differences in performance and mental load.
Most brain-training apps are optimized to keep users engaged through gamification and animation — stimulating the brain's reward system rather than placing genuine cognitive load on working memory. I wanted tools that draw on task formats from cognitive psychology, with an interface designed to eliminate distraction rather than add it.
Every element of these apps reflects a single principle: the user's cognitive resources should go entirely into the task. No tutorials, no progress bars, no visual noise beyond what is functionally necessary.
Advertising is present to sustain development, but is confined to placements that do not interrupt training. The same principle that guides the counseling room — remove distractions, focus on what matters — applies here.