Nintendo Switch appears to partially support OTG, has future potential to be updated to support direct wired transfer of files with smart devices. Further test results below. : r/NintendoSwitch
Reversible Micro USB Cable on off Switch For Data Transmission USB 2.0 Sync Cables for Xiaomi Sansumg Galaxy Android Phone|usb 2.0 micro usb|cable usb a usbcable usb usb - AliExpress
Budget Adaptive by ThatGuyBud — iOS and Android 2 Button USB Switch Box AND Interface
Amazon.com: Micro USB Power Supply Extension Cable On Off Switch for Raspberry Pi Android : Electronics
Amazon.com: Big-E USB C to USB 3.0 A Female OTG Adapter Compatible with Nintendo Switch Lite for Full USB On The Go Braided Thunderbolt 3 On The Go Cable Connector (Silver) :
Micro USB OTG Hub, Male to Female+4 Port Charging Converter Adapter Cable with Switch for Windows Tablet, Android Smartphone|USB Cables| - AliExpress
Amazon.com: aegis Dual USB-C Port KVM Switch to 4K/30Hz HDMI_Portable 2 Port USB Type C KVM Switch with USB-C Cable_MacBook Pro, i-Pad Air, Samsung DEX, Sony (Android 11) : Electronics
Pretorian USB Switch - Switch Access For Android [Buy]
USB-C-Switch Android Auto Validation Kit | Acroname
Charging Dock for Nintendo Switch/Switch Lite,Joytorn Charger Station Compatible with Switch Lite/Switch Pro Controller(Type-C Cable)/Android Phone(Type-C) with 2 USB Ports : Video Games
2-Port USB-C Gen 1 Dock Switch with Power Pass-through - US3310, ATEN Docking Switches | ATEN Belgium - English
Pretorian USB Switch - Switch Access For Android [Buy]
New Arrival 4k Switch Splitter Type-c Hub 4 In 1 Pd Charge Compatible With Mac Os,Windows,Android Usb C To Dual Hdmi Adapter - Buy Usb To Hdmi Adapter 1080p,Type C To Dual
6 programmable keys USB Android Handle Switch custom Mini keyboard micro | eBay
Smart Switch | Apps - The Official Samsung Galaxy Site
Pretorian USB Switch - Switch Access For Android [Buy]
Wavlink 10-Port USB 3.0 Hub with 2x1.5A Fast USB Charging Port - Newegg.com
USB-C-Switch Android Auto Validation Kit | Acroname
Type C Male to Female USB C Extension Cable Switch for Raspberry Pi 4 for Android Electrical Power Supply|Type-C Adapter| - AliExpress
Pretorian USB Switch - Switch Access For Android [Buy]