I can't help you with the name of the pool and snooker business, but here's another view of the same buildings:
Daralee's Web World Photos on Flickr
The caption says:
"Asahi Shoes and Dry Goods was located at 321 E. 1st in J-Town (Japanese Town) in Los Angeles during the 1960s through the late 1980s. Next door at 323 E. 1st St. was Granada Fish Co. Photo taken by Daralee on June 19, 1982."