We highly recommend that all students review the site links prior to registration for a C School. Students can also find CG-3PCX C School policy on the C School web site. Students should read this information prior to requesting a C School.
FHD is higher resolution-- 1920x1080 (aka 1080p Full HD). HD+ is a bit lower. Usually 1680x1050 or 1600x900 or such. It's mostly personal preference, but I prefer 1080p full HD.
Broadly there are two types of touch screens, capacitive touch screen mobiles and resistive touch screen mobiles. This list of touch screen mobiles was last updated on 2015 15th October and includes all the touch screen phones available till that day.