I guess one of the most sweetest thing on android os is to be able to use your android device to create something new
One of the interesting thing you can do with your android is using it as wireless speakers. What this actually means is
that; you will be using your android phone as an external speakers.
How to convert android to wireless speakers
Download soundwire to your android Here
Download the corresponding App for PC both Linux and windows here
Open the mobile app, and tap on the “Connect” button (coiled wire image) to connect to the server and begin listening. If the server address box is blank, the app will automatically locate the server. When the wire glows youhave a good connection.
If you experience some latency, reduce your buffer size for improved performance. Check the screenshot below
This is also a nice way to make that your old Android device still useful.enjoy