Possible to edit existing apps?

I have a small e-bay business, and just got a new storm2 to help me with it. I was looking at the barcode scanners to scan potential inventory to sell, but it's not what I'm looking for.

What I'm looking for:
I'm using edocrab barcode scanner app and it's not bad, I can reliably scan most items around the house.

What would help my e-bay business is being able to use the edocrab app to take the code it finds on the barcode and use it to do an amazon search.

Is this possible?

Thanks.