iTag is a tool for people who lost their key rings, wallets, and other things. It can help you find them. It works as a Bluetooth finder and as an Android app. It is useful for Android phones and tablets. The best thing is that it is free. 

How does it work?

It is very easy to use. First, download the application from Google Play and install it on your Android phone or tablet. Then, launch the app and start scanning for your lost devices. It will search for them automatically. If it finds a device, it will show you the details of the device and the location where it is. It also works in reverse. You can also use it to find your lost devices if you know the device's model and serial number.