We would like to make a device that connects to a dedicated tablet or an Android smartphone running our software. There is a possibility that many such devices are in vicinity, so I was thinking that in Advertising data (not much room as it it 16 byte UUID), I put only our generic device name - for example "123" so that our Android application shows only our devices. However, to differentiate between our devices and pick only one, the user of Android application (or the application itself) can and should edit the extra data - "last name" of the device that can go into the scan response. So next time when many devices of "123" are found, the Android application connects to the one with correct "last name" from the scan data.
Is there any problem with this scenario? Is it a problem if 62 bytes are advertised instead of 31?
Thanks a lot