Which mobile platform google Facebook or apple would be clos

Solution

Apple and google mobile plateform would be closest to a hospital mobile platform.

Apple is keeping your private data private.

For google, information should be free, even while it keeps its own algorithms and business strategies private.

Examples : Apple Healthkit, Google Fit, Google Andriod Wear

Some other plateform examples : Microsoft Health Vault, Samsung Digital Health Inititative, Nike+ and others

So we can say that more plateform would be needed so that further fruit is borne from the data available within the digital health system.