Android device act as an iBeacon

Library:

https://github.com/AltBeacon/android-beacon-library

Beacon beacon = new Beacon.Builder()
        .setId1("2f234454-cf6d-4a0f-adf2-f4911ba9ffa6") // UUID for beacon
        .setId2("1") // Major for beacon
        .setId3("5") // Minor for beacon
        .setManufacturer(0x004C) // Radius Networks.0x0118  Change this for other beacon layouts//0x004C for iPhone
        .setTxPower(-56) // Power in dB
        .setDataFields(Arrays.asList(new Long[] {0l})) // Remove this for beacon layouts without d: fields
        .build();

BeaconParser beaconParser = new BeaconParser()
        .setBeaconLayout("m:2-3=0215,i:4-19,i:20-21,i:22-23,p:24-24");

BeaconTransmitter beaconTransmitter = new BeaconTransmitter(getApplicationContext(), beaconParser);
beaconTransmitter.startAdvertising(beacon, new AdvertiseCallback() {

            @Override
            public void onStartFailure(int errorCode) {
                Log.e(TAG, "Advertisement start failed with code: "+errorCode);
            }

            @Override
            public void onStartSuccess(AdvertiseSettings settingsInEffect) {
                Log.i(TAG, "Advertisement start succeeded.");
            }
        });