Population aging is accompanied by a rising prevalence of neurodegenerative diseases such as Alzheimer’s, which significantly impact the quality of life of the affected individuals. Cognitive stimulation is key in slowing memory decline and promoting autonomy in this population. This article initially investigates the effectiveness of serious games for memory stimulation delivered via Interactive Digital Television (iDTV), integrated into the Cogni-TV platform, as a cognitive support tool for individuals with early-detected Alzheimer’s Disease (EDA). A qualitative questionnaire based on the Technology Acceptance Model (TAM) was administered to evaluate the platform’s initial accessibility and usability. Additionally, the study compares the use of television with two other commonly used devices in cognitive stimulation—tablets and mobile phones—using both the System Usability Scale (SUS) and the Technology Acceptance Model (TAM). While tablets and mobile phones can support cognitive exercises, they often pose usability challenges for older adults due to small screens, the need for precise touch input, and complex navigation. In contrast, television offers advantages such as a larger display, simpler controls, and greater user familiarity, making it a more accessible and user-friendly option for this demographic. These preliminary findings underscore the importance of developing accessible, familiar technologies for older adults to enhance their participation in cognitive stimulation programs and ultimately contribute to a better quality of life.