Tesco has an app which tells you the aisle and which side to look on as well. It's pretty cool, but last time I used it, it was quite clunky.
The Aus/NZ ones are much more like supermarkets, I went to one in NZ and sadly found Pick-a-mix was not a focal point at all.
[1] http://en.wikipedia.org/wiki/F._W._Woolworth_Company
Tesco has an app which tells you the aisle and which side to look on as well. It's pretty cool, but last time I used it, it was quite clunky.