I use a Huawei m3, and it works great!! Good battery, great screen, and nice and light. Size is great, I'm very impressedbest 2018 tablet for phantom 4 pro
I don't find any of them bright enough for my eyes here in TX sun (even with sunshade). I use a iPad Pro 10.5, but it's still not bright enough for me. Haven't seen the CrystalSky monitors in person, but suspect they are quite good...Granted, not a "tablet". I'm sure my eyesight isn't the same as it once was though..