You can type whatever you want in that field, so long as it's a valid MAC.Īlso, note that all OS's allow you to set the MAC address within them. Under there, you should see the auto-generated MAC address. Now, how can you set a specific MAC address in VBox? In the Machine Settings, under Network, open up the Advanced section. So, I hope this at least clears up what a MAC is and how it could be used. Why not just query the OS to see what it is, rather than the MAC? Doesn't make much sense to me, but you never know what Google will do, or why. I would be at a loss as to why it would do this though. If it comes back as Intel, Realtek, etc., then it might assume it's a PC. For example, if the MAC comes back to a device made by Apple, Google, LG, etc., then it could assume that the device is a mobile one.
From this, it can lookup the manufacturer and made some assumptions. Now, how could an application such as Google Play use the MAC address to determine OS or Platform? The Google Play code would be running locally, and as such, it can query the hardware MAC address. The MAC address has absolutely nothing to do with the IP (IPv4) address, other than a cross-reference in an ARP table. So, for example, if your MAC address begins with 00-80-C7, the interface chip was manufactured by Xircom, or 00-1B-21 was made by Intel. This is usually identified by the first three segments of the 6-segment HEX address. Each interface vendor is given a specific set of identifiers. The MAC address is the hardware address tied to the network interface. I cant speak to how Google Play works, but I can explain a little bit about MAC addresses.
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