Development of a Serious Game App (Digimenz) for Patients With Dementia: Prospective Pilot Study for Usability Testing in Inpatient Treatment and Long-Term Care. - Brähmer, Sören Freerik; Iffland, Benjamin; Kreisel, Stefan; Driessen, Martin; Trompetter, Eva M; Schomburg, Meret; Toepper, Max; Steuwe, Carolin (JMIR Serious Games, 2025)