One of the reasons I sold my expensive and heavy Canon DSLR was that I could not fit it in my pocket. My smartphone gives me instant access and very satisfactory pictures 90% of the time.
PC World has a very good article on Google Camera tips
Below are 3 that I find very handy:
- Use the volume control has your shutter
- HDR+ setting for low light conditions
- Take a look at your most recent photos