Where can I find Jam in Riken?

Jam can also be found in these cities:

Aarau Balsthal Buchs Egerkingen Egolzwil Erlinsbach Gränichen Herzogenbuchsee Huttwil Langenthal Lostorf Murgenthal Oberkirch Oensingen Oftringen Olten Reiden Rothrist Schöftland Schönenwerd Suhr Sursee Unterentfelden Zell Zofingen

You can also find this in Riken:

Fish Sticks Roll Cheesecake Help Sunflower Seed Bread Power Bar Salads Iced Tea Coffee Infant Food Dips And Sauces