SKY3DS Plus also supports 3ds games even on 3DS 11.6.0-39

SKY3DS Plus or SKY3DS+ Functions

Switch game back and forth by two orange buttons;
More easier to use,copy and play,no diskWriter required;
Compatible with other 3rd party homebrews;
AP checks solved;
Firmware updatable.
Plug & Play, easy to use, Multi-rom support.
Support any 3DS system version(including the newest V11.6.0-39J/U/E).
Support all New3DS/3DSLL, 3DS/XL, New2DS XL/2DS consoles(US,EU,JP,KR,AU ).
Support online game and eShop access.
Compatible with any MicroSD 2GB,4GB,8GB,16GB,32GB,64GB,128GB SDHC/SDXC card.
SKY3DS+ Firmware

Unlike Sky3ds card with no firmware and need to flash 3ds roms via Diskwriter tool. Sky3DS Plus have updatable firmware to replace it. Users are no longer need to flash 3ds games firstly. What you do is copying the roms download online, paste them into the root of a micro memory sd card. Currently, Sky3DS+ comes with the latest firmware V140.

Download the updated firmware.bin from sky3DS.com, and copy it into the root directory of your microSD card. (Microsd card should be format with Fat32).
Insert your microSD card into sky3DS+, connect your PC and sky3DS+ with a USB cable(come with, which can also work as a USB Adapter once connection built).
The LED red light will turn on for 10 seconds, then turn to the green light and keep flashing for 10 seconds, once the light turn off it means the sky3DS+ has been updated successfully. Notice: Never unplug the USB cable while the green light keep flashing, it might damage your sky3DS+ card!
Delete the firmware.bin file in your microSD card.