The massive introduction of smartphones in everyday life, flanked by the many native communication options (e.g. Bluetooth, Wi-fi, NFC…) suggests the utilization of this kind of devices to implement gateways toward the Internet in an easy way. In addition, what authors also proposed is to adopt smart devices also for acquiring different bio data from a great amount of people exploiting already embedded sensors, and relying on the inherent distributed architectures for subsequent data processing.