Did you put in Z-wave light switches? The far majority of lights that I have hooked up all use z-wave light switches to replace the physical light switch. In fact this was sort of mandatory for me. While I’m a geek who loves to live on the bleeding edge (and therefore willing to put up with some challenges that accompany that effort) my wife is anything but. She doesn’t even have a cell phone… no, that’s not a typo. I didn’t say she doesn’t have a smartphone, I said she doesn’t have a cell phone. Weird, huh?
Anyway, all of my changes have been done with the eye towards not removing any existing functionality. Which of course doesn’t help you…
So, what options? Well there’s a few I would explore, depending on your environment:
Theoretically you should be able to setup a secondary controller with individual z-wave devices. I’ve never attempted to do it, and I don’t know how well it will play with SmartThings, but it’s supposed to work as far as I know. Check with support if they’ve helped anyone else set this up and which devices they’ve used.
Get a cheap tablet as a “universal remote.” Load SmartThings on the tablet and you can do everything your phone can do. You can get some (slightly older) Android 7" tablets for relatively cheap these days. Granted, this isn’t as cheap as some of the z-wave remotes, but it’s an option. A tablet could be left for guests to use or left on the counter or end table where you often sit to make it convenient to grab instead of your phone.
If you can get a z-wave swtich/outlet device in a more convenient place (for instance, if you have a wall outlet that’s more accessible or at a higher point on the wall from where you have your light module plugged in) you could put a device with a push button in this outlet and then “tie” the two together via a SmartApp like Wireless 3-way. This way when you turned one on it would turn the other one automatically.
For floor or table lamps, you might want to look at the HA05C (http://www.amazon.com/Intermatic-HA05C-Settings-Screw-Module/dp/B000J17QWU/ref=sr_1_1?ie=UTF8&qid=1384375799&sr=8-1). This device screws into the socket, then you screw your bulb into that. There is a button on the unit itself to turn it on and off. This button would be real close the to were you’d reach to turn a lamp on or off anyway.
For regular guests, if you’re feeling ambitious and they have an Android device, you can setup tasker commands for them. I’ve done this for my kids tablets. Not they just tap and icon on their home screen to turn on/off devices in their rooms.