I think this is a quirk of the way the Android app does barcode scanning. On a regular handset, you tap a form button to activate the scan function, and after scanning the app puts the barcode data into the field - but you never really enter the field, and therefore never leave the field to trigger the after scan function. You would work around this behavior by using the "Goto Control ID" property of the form button used for scanning, I guess. I don't know how this works with the laser imager on the TC70 - would you have to tap on the field, scan the barcode, then tap out of the field?