![](http://www.emcu.eu/wp-content/uploads/2020/07/TouchGFX_STM32F746G_DISCO.png)
TouchGFX Designer allows to develop and simulate but also to compile and test directly on your targhet, in our case is: STM32F746GDISCOVERY
You create everything from TouchGFX Designer, you can simulate and compile it directly for the evaboard and check how you see it.
For more info see here.