Wait but this did come out! Oblivion PSP was a separate thing also part of the Elder Scrolls Travel series but the mobile phone game came out in 2006 with an isometric view https://en.uesp.net/wiki/OBMobile:Oblivion_Mobile

The screenshots at the top of the page are from the mobile phone one!

Yes, but the description still states "An RPG originally in the works for the Playstation Portable" and the PSP was listed as a console for this previously on IGDB

That being said.... I should probably change this review since they may actually fix this in the database