Smart screens are offered with a Windows app from the vendor.
These apps are usually built in C# with Visual Studio.
Some (like Turing apps) have been obfuscated to prevent decompile with tools like JetBrains DotPeek.
Apps are not compatible between different models, because smart screens use specific proprietary serial protocols to communicate.

Here is the list in case you need to find the original app that came with your smart screen:

For the 3.5" version, this program is called UsbMonitor.exe
Latest English version - 35inchENG.rar
Latest Chinese version - 35inchNEW.rar

For the 5" version, the default software is UsbMonitorL.exe
Latest English version for 5" display - 5inchENG.rar

This program is called ExtendScreen.exe
Latest version - english and chinese - XFZX.zip
Check this link regularly for new versions

If the program starts in Chinese language, here is how to change the language:

The program is called UsbPCMonitor.exe or UsbPCDisplay.exe
Latest version 2.2.5 can be downloaded here:
https://www.adrive.com/public/KuffE2/USBPCMonitorENG_2_2_5.zip

Older version 2.1.4 can be downloaded here:
https://www.adrive.com/public/rpZfpm/0128200%20USBPCMonitorENG_2_1_4.rar
https://drive.google.com/file/d/1E5UaRpRA716LKRF9FLgUFMnYGwYYXV6w/view?usp=sharing

The program is called 奇叶智显.exe or ãµÊÂÍäÈ.exe
It is packaged in a zip file named 奇叶KIPYE-English.zip
Latest version can be found on Kipye website in the Downloads section:
http:https://www.kipye.com/en/col.jsp?id=107

Direct link: http:https://29077880.s21d.faiusrd.com/0/ABUIABBPGAAg_r_gnAYo3tylsAQ.zip?f=%E5%A5%87%E5%8F%B6KIPYE-English.zip&v=1669865466

NOTE: the program may be hard to download from some world regions such as Europe. It may be necessary to use a VPN.

The program is called PC_monitor.exe but the window is named GUITION Smart screen
It is packaged in a rar file named PC_monitor.rar
Latest version V1.0.9 can be downloaded here:
http:https://pan.jczn1688.com/directlink/1/PC_monitor/PC_monitor.rar

The program is called PCMonitor_V2.17.exe
It is packaged in a zip file named PCMonitor_V2.17-2.zip
Latest version V2.17 can be downloaded here:
https://drive.google.com/drive/folders/1RcIRhXgSvWnDfxd_6C1stADxsDkzXYqi?usp=sharing

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