I'm in a similar boat. GPS, Camera, but also Telegram and a basic browser for reference.

Dumbing down a smart phone doesn't fix the size and delicateness of the device either. I essentially want a tiny durable smartphone, ie size of an iPhone 3g.

My biggest thing is I hate how important this device is while also being unwieldy and easy to break. The only entertainment I use on my phone is twitter and even then I find it easy to stop scrolling.

I want the abilities of a smart phone, but something I can keep on me without worrying about it, like wearing a watch or how I can throw around my wallet.