Domestic handset maker Micromax launched its ‘Canvas 4’ smartphone on Monday,with a price tag of Rs. 17,999. The device will be available in the market by this weekend. The Canvas 4 sports a 5-inch touch screen and is powered by Android 4.2 (Jelly Bean) operating system. It offers 16 GB internal storage and 1GB RAM. It comes with 13MP camera rear camera.