Integrating AI in Stroke Neurorehabilitation

Inclusion Criteria * ≥ 6 months post-stroke * Patients presenting a first-ever ischemic or intracerebral hemorrhagic stroke * Mild to Moderate unilateral upper limb motor impairment: Medical Research Council proximal and distal upper limb MRC ≥2; Action Research Arm Test: ARAT score \< 50 (0 = no function, 57 = no functional limitation). * Age \> 18 years old * Able to sit on a chair or a wheelchair and interact with RGS during an entire session * Minimal experience with smartphone technology based on the clinician's opinion * Willing to participate in the RGS therapy * Sign the Informed Consent Form Exclusion Criteria * Diagnosis with Epilepsy * Severe cognitive capabilities preventing the execution of the experiment or according to clinicians' criteria. * Severe associated impairment such as proximal but not distal spasticity, communication disabilities (sensory, Wernicke aphasia or apraxia), major pain (VAS \> 75-100 mm), orthopedic devices that would interfere with the correct execution of the experiment (Modified Ashworth Scale \> 3) * Unable to use the RGS app independently according to the clinician's observations and lacking support from a caregiver to use the RGS app * No experience with smartphone technology or based on the clinician's opinion. * Refusal to sign the Informed Consent * Participating or planning to participate in another trial while being part of the present study.