Steps to build an Android-Based POS System
Following are the steps for setting up an android POS using Square POS application:
1. Get an off-the-shelf Android tablet with 7” or 10” screen size. Samsung Galaxy Tab series or Nexus series are good candidates.
2. Get a credit card reader for processing credit card or debit card payments like Square.
3. Download and install Square Point of Sale app from Google Play.
4. Login to your Square Point of Sale Dashboard on your computer. Create items that you want to sell with their unit price information. You can edit or import the items as well.
5. Go to the tablet and launch Square application. Sign in to start processing orders.