I fly with my FS4 mainly the Q400 as well as the EC135 and now the UH-60. Especially for flying helicopters I love realism controllers and have therefore now bought the PTF PUMA X - for me me just great.
But if I want to fly only "so from the hand" and with the mobile versions FS2022 and FS2023 I use a gamepad, the NIMBUS STEELMASTER. And there I use the paddles just for helicopter flying, because that increases the fun for me significantly.
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I use the Gamesir pro 31 via Bluetooth. When I start the simulator, all control panels disappear except for the co-pilot. I can no longer switch views and can therefore neither take a tour of the aircraft nor enjoy the view on long flights.
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To use the overlay operation together with a controler it might be helpful to switch on the controler only when the simulator is STARTed.
I consider the icons of the buttons as symbols and not as a real image, from there it fits for me also with the symbols for pilot and co-pilot. 
This is exactly the same with the FS4. While in fixed-wing aircraft the pilot sits on the left and the co-pilot on the right, in rotary-wing aircraft it is the other way around. Therefore, the standard symbols for pilot's view and co-pilot's view do not fit for helicopters.
Did IPACS really promise "for free"?
I understood the pre-registration to mean that immediately after the app is released, it will be automatically downloaded to the device - at the normal price.
see: https://www.aerofly.com/dokuwiki/doku.php/simulator:mcf
You can define a second custom user folder by adding or editing your desired extra user folder path to the field:
<[string8][extra_user_folder][]>located within the main.mcf file.
The directory on your disk must contain the sub-folder “scenery”. This gives users the ability to place their custom scenery in a location other than the documents folder located on the root drive."
I have a MacBookPro 2021 with Apple M1 chip and FS4 via STEAM works great so far. So I don't really have any concerns that it won't work for you - but I can't guarantee it. Whether you can return the software with STEAM if it doesn't work, I don't know.
I am not aware that there are demo versions. 
However, I can confirm that the FS2 app works on a MacBookPro 2012 and MacBookPro 2018, and via STEAM the FS2 and FS4 versions work on a MacBookPro 2021 in addition to the devices mentioned.
In the FS (1) there was that once - just like the winch and a motor glider.🤔
As far as I know Krzysk has converted all of his models on GitHub
Basically, the different settings you mentioned work quite well.
Unfortunately, two settings for single-engine aircraft override those for multi-engine aircraft:
- Engine master 
- Engine start
It only depends on the aspect ratio of the screen. On a wider display (relative to height) you can fit more data
I can understand that it depends on the aspect ratio which information is shown.
I cannot understand that it depends on the aspect ratio at which positions the individual pieces of information are always shown (see YELLOW double arrows) - in my opinion, this can be optimised.
Thank you Jan for your answer, but it does not satisfy me:
Both windows show the same FS4 session, I just reduced the window from full screen size to a quarter screen size using the mouse pointer.
- I don't find it logical that the 4x as large window can only show less information than the small window - I would understand it the other way round.
- Regardless, the elements shown in both window sizes can all be shown in the same order and do not need to be swapped.
@IPACS:
I have noticed that with FS4 on the MacBookPro, the flight information bar changes when I change the size of the window:
- YELLOW highlighted is the information that changes position
- BLUE highlighted is the information that can only be seen in the smaller view
The iGMap (FSWidgets) also works for me.
It would be nice to get as original a checklist as possible (so far I haven't found one on the internet) to include such points as switching the various exterior lights on and off.
Hallo kann mir jemand was genauer sagen wo ich das am besten belege.
Wenn Du die Controller Deiner Wahl angeschlossen hast, lassen sich alle Einstellungen für die Controller hier vornehmen:
brief interim information:
In the meantime I have succeeded in calibrating with try and error in the gc-map.mfc.😀
Since I fly a lot of helicopters, I have now bought the "PUMA X" controller from Pro Flight Trainer LLC . However, at the moment I still have difficulties calibrating and assigning it on my Mac . A test calibration under Windows showed that technically the controller is OK because it can be calibrated under Windows 11.
That is the current situation:
Above this, these buttons are not displayed:
-- 25 (=Zone2 from button 5)
-- 26 (=Zone2 of button 6)
-- 27/28/29/30/31
I have already reset the gc-map.mcf as well as the controllers and assignments - unfortunately without success so far. I also got nowhere when reading out and trying to adjust the gc-map.mcf with a text editor.
I am happy if there is a solution.
Since yesterday I get the error message "Aerofly FS 4 quit unexpectedly." on my Mac when the current beta version has terminated.
The bug is fixed with the beta version 4.00.07.05, thanks.
