This app can be used together with the 'are you okay today' service, a simple, innovative and inexpensive solution that enables children to keep an eye on their senior parents wellbeing. The most important features of this service are respecting the senior's privacy and using existing devices the senior already uses on a daily bases to detect if they are still active. This app enables seniors to use their Android phone to act like an activity sensor: when the phone is used, the senior is active