You can format an SD card using Windows, Mac, and Android devices, and likely your digital camera too.
You can clear the entire cache on your Samsung Galaxy phone, or clear only the cache for a specific app. Here's a guide on how to do both.
It doesn't take long to check your memory card, but you're better off learning how to spot a fake to begin with.
JEDEC has announced UFS 5.0 standard for smartphones and portable devices that require high performance with low power consumption.