The soon-to-launch Nintendo Switch Sports game will likely feature AMD FidelityFX Super Resolution (FSR) image upscaling when the Switch is connected to a 1080p display. Evidence for this was found in the EULA of the Switch Sports game that is slated to launch in the coming weeks.
https://www.notebookcheck.net/Nintendo-Switch-Sports-to-support-AMD-FidelityFX-Super-Resolution-on-the-Switch-s-Nvidia-Tegra-X1-SoC.600247.0.html