We have the iSqratch mobile service specifically for SMB retailers on new customers acquisition. You can try out 3-month with iSqratch (details at http://www.iSqratch.com ) for storefront mobile lucky sqratch (scratch) for walk-by to walk-in on-spot conversion. It's fun and easy, with QR code targeting smartphone user population.
We also have the iQASH mobile service specifically for SMB retailers on old customer revenue enhancement. You can try out 3-month with iQASH (details at http://www.iQASH.com ) for customer loyalty mobile wallet service. It's intuitive and powerful, also with QR code targeting smartphone user population.
You can start with iSqratch to build up storefront crowd and to convert walk-by traffic to walk-in customers. That's for "on-spot customer grabbing". You then use iQASH to "attach a string" to your good old customers for their more frequent return visits, and avoid their churning to competitions, and to product viral marketing effect for your store.