Yeah the title is also incorrect, it's "Iseikai Tensei" (note the extra 'i').
It seems to be wordplay based on the standard Isekai Tensei, using different kanji that sound similar (異世界転生 vs 異星界転星)
Spendid, interesting from the start and the story plays well.
Now we can just hope that whatever form he takes in the future will not be Kirito based.
I was going to say bullshit when the demon girl said there were humans on the base of this being a scifi story, the human race is exclusive to Earth, is almost totally impossible for another planet to have something even close to us, lucky planet.
But the explanation for it was splendid, same for the translation device working, the new people inherited and changed the original language but not so much to make it impossible for the super computer to understand.
I'm guessing that Noah will found out the truth after discovering some old ruins or special made bunker his mother left explaining everything.
Can be it really be called 'isekai' if what happened was (basically) a crazy scientist did a Project Zero Dawn, but instead creating robots she made fantastical creatures with OverTechnology nanomachines that imitates magic??