Of course, though I don't visit TS every day so be patient if you have a question.
Looking back at your original post in April it appears you already have your drive in APFS from the image you posted. If that is so, all you need do is get an external SSD and make it APFS for backup (use Disk Utility to do that, not Superduper).
ADSR seemed to have a somewhat different situation wherein he did not want to go the APFS route if he could avoid it. Generally speaking APFS should only be used on SSD drives and not disk drives as it would be slower than HFS+.