[Samsung Galaxy S7 Edge Accessories] christran12:
So after going through many TGSPs and finding pretty much all of them terrible, I found a off-the-wall solution that seems to tic off all of the major check marks for me:

Smooth glass-like surface

Great touchscreen sensitivity

Great optical clarity

Won't peel off (obviously)

Turns out, it's not just one solution, but a combination of two different screen protectors used in conjunction. This might be a long post but stay with me here.

First thing I tried long ago was the wet-apply TPU stuff from IQ-Shield. It's actually a great product if you put it on properly and is fairly inexpensive. The application might be a pain for some (I didn't mind it so much). But I'd always hated the texture and tackiness of the surface. Also, it's aways a bit sharp at the edges that it bothered me to hold it. And strangely, these are easy to scratch. The scratches really show on them too. They're also smudge magnet and look terrible unless thoroughly clean.

Then I tried all of the major TGSPs on the market (GPEL, ZAGG, AmazingThing and a few cheaper stuff) and while many of them looked great, the glare and touchscreen sensitivity was always anywhere between inadequate to terrible.

Then I looked in this PET(I think?) plastic stuff from G-Color

https://www.amazon.com/dp/B01FTUB74S/ref=psdc_2407781011_t1_B01FTUB74I

Turns out this stuff is pretty great. It honestly feels as smooth as glass. Looks like glass. Screen sensitivity was awesome. clarity was amazing. I can also atest to it durability as well. I'd been moving my futon around a bit and had the phone perched on the the backrest. The phone fell onto the metal frame of the futon, glassface first. the impact messed up the screen protector and it got warped at the impact site, but the phone glass was fine. Great start so I ordered another immediately.

But low and behold, after another two weeks or so of usage, the edge began to lift. Turns out the silicone adhesive, which works fine on flat glass, doesn't do so well with curved glass long term.

Disappointed, I thought about ways of giving it extra adhesion then I remembered that the TPU stuff is very tacky. So I washed and re-applied (wet) the IQ-Shield stuff. I let it set until all the air and water bubbles disappeared (about two days). Then I washed the G-Color piece (it had lint and dust stuck on it). I applied that one wet as well (yes you can apply PET protectors wet) right on top of the IQ-Shield. Gave it another few ways days to set and the bubbles disappeared. I was astonished by the results. I got all of the things I was look for above. I tried force peeling the edge off and I was very surprised how hard it was to do. I gave it three weeks and it had been flawless.

I went and bought another G-Color piece (this time in white). Of course taking the first (gold) one off you probably have to reapply the TPU one underneath. A second round of thorough washing and reapplying the IQ-Shield (I didn't have to buy a new one. As long as you wash it correctly with dish soap and are careful, you can reuse them). Once again, let it set over a couple of days.

Since it was the first time I applied the new G-Color piece, I applied it dry as instructed on package. You'd only need to apply the PET stuff wet if you're reapplying for second time after washing. The first time should be dry using the guide stickers. The results were similar (maybe a bit better since I was using a brand new G-Color piece). It's been a month and a half now. Flawless. Well almost: Since I applied the G-Color with white bezel over a black phone, its white part is not as bright-white as it could be. More like a white-grey, but unless you butt it up to another white phone, you won't notice. The gold one looks completely gold.

So now I have a phone protected by two layers. The two layers together are also a bit thinner than a single TGSP. It looks completely like glass and I've been amazed how scratched resistant it has been. They're also smudge and fingerprint resistent.

Another check mark that might matter to some, but not me: Case-friendliness. Those that have such cases, this might not work so well since this goes pretty close to the edge of the glass. It does leave about a .5mm around the edge. I personally would have liked it to go all the way to the edge but I don't know how that would effect the adhesion. None of my cases wrap around the edge of the glass so it never affected me at all.

Hope this helps someone.

Tip: When applying wet after washing with dish soap, try not to completly wash off the dish soap. A bit of dish soap remaining will help you with positioning the protector since it will allow you to slide it around a bit. Once you're in position, pressing down (especially around the home button, ear speaker and camera cut-outs) will hold it in place while you squeegy the remaining water out. I like to use my finger and roll it to push water out. Try not to slide you finger across the surface as it might catch and pull the protector out of position. Don't worry about air or water bubbles too much. They will slowly disappear over a few days.

https://goo.gl/photos/ztPVFEuUUCoPqJrZ7

https://goo.gl/photos/TRpAhb6a5gtFmp6r7