A simple grocery store app made to learn the basic concepts of Kotlin.

• The application supports Android 5.0 Lollipop (API level 21) and above.
• The app allows user to choose the category of product he/she wants to buy
• The user can then slect the items to be bought from the given list of items as per the category
• The toast messages update them about their choices.
• The cart tells them about the items, their quantity and total payable price.