Company Michal Mandrysz created these great apps:
Digit Span, Systematic - Set goals, track time & build habits, See Myself - Selfie Real Mirror, True Sentence, True Sentence, Quick Sketch, Dual N-Back - Train of Thought, Dual N-Back - Train of Thought, Digit Span - Train of Thought, Digit Span - Train of Thought, Mental Rotation - ToT, Mental Rotation - ToT, Stroop Effect - ToT, Stroop Effect - ToT, and others..
