if it is not connected to steam it wont work. but if oyu buy them on Steam you will get the HD version of the Games and atm they are all on sale. https://store.steampowered.com/search/?term=Stronghold&developer=FireFly%20Studios
I use this: https://love2d.org/
As for help, I think I'm good right now. I mean if you want to help I won't stop you, but if you're not comfortable with Lua and bad code I would skip in your place :D
That window is present for all versions, not just the Steam version.
It is a small window with the SH2 logo and sliders (like this). You can disable it by unchecking a checkbox, maybe that's why it doesn't come up to you. :)
Hi, I would like to share with you the way to run the game on your Android phone/tablet:
Notes: a) The version you use should run without CD