The use of a special calligraphy brush is to give our users the feeling of real calligraphy and spice up more fun on the game. “NeuroGym” is an interactive cognitive training, monitoring, and gaming platform. The research-based cognitive training is elderly-friendly and based on local cultures, e.g. Mahjong, calligraphy and daily life scenarios, aiming at prevention of dementia, active and continuous engagement, and personalised training for the elderly. It allows caretakers, elderly centers and healthcare professionals to better monitor and assess their conditions and provide timely treatment.