well i know what point of sale means, i mean by meaning, what exactly he was refering to, like a app that will process sales for him like credit card sales, or an app that will track sales he made in the day... i was looking for more info
authorize.net will allow you to do web transactions. you can set up a simple webpage that will allow you to process transaction over the web using weblink and authorize.net. it can be done using nopcart on a simple page that loads in about 1 second using opera mini4 on the curve (wont work properly on the BB browser). you will have to manually enter all the information but it works. if your interested i could give you the page i use so you can borrow the codeing.