Memons are very expert in Samoas and United King of Karachi make the best of Samoas in Pakistan. Samosa is a "must" in memon weddings.
My inlaws are memon and yeah, they LOVE samosas. Every Ramzan, my MIL makes about 7-8 dozens of samosas just for the 3 kids, and every dawat has to have dahi bharay and samosas. They know this lady who makes punjabi samosas and according to my mil, they are very yummy. The dough is the same but the aloo masala is different and more khatta/chatpata.