. First select the area of interest (restaurants, cinemas, pubs, etc).
. Then Save it in My Place
. Perform the next search and repeat until you have enough POIs saved in My Place.
. Go to each saved place and save it as KML format.
. Use a tool like GPS Converter and add the contents until you are done (Open > Copy > Paste and repeat)
. Save the big file as KML
. Use a text editor and open the file and remove unnecessary data.