For a camera that doesn't have built in wifi one can use Yunshan ESP 8226 with your smartphone as a wireless remote control, but you don't get the remote viewfinder.

p.s. Apologies 4 my facial hair... I have to grow it for treatment again. This video is part of my Fuji x-t10 review:
http://angelica.x10host.com/500-photo... where I will be embedding this video.