When loading a web app (3.0 & 4.0) on the emulator, it shows a blank screen.
Native apps work fine though.
This has been discussed here:
https://developer.tizen.org/forums/web-application-development/web-app-doesnt-launch-on-emulator
Details:
Mac OSX High Sierra v10.13.2
Tizen Studio 2.0
CPU-VT & GPU hardware support enabled
Intel HAXM installed
MacBook Pro 2017