problem using shift while flying for bluetooth keyboards with a touch on and also toggle perspective

Hello,I am andrew and I own a lg rebe,l(probably a reason why I have an issue)And I use a bluetooth keyboard and it is a Kanex keyboard,anyways I don't use a mouse, I use touch controls. and it kinda sucks that I can't use shift while flying and toggle perspective.so may you please look into it if you have the time,and thank you for reading my report,And have a great month/week/day