Yes, you can subscribe to salonMonster with your Android device / Google Calendar.
Open salonMonster and locate the "Subscribe to iCal" link at the lower left hand side of the menu.
Right-click on this and select "Copy Link"
Now open your Google Calendar
Click the down-arrow next to Other calendars
Select Add by URL from the menu
Paste in the link address that you copied earlier into the field provided
Click the Add Calendar button. The calendar will appear in the Other Calendars section of the calendar list to the left.
Now your salonMonster calendar will show up in your Google Cal!