We've just bought one for Liz. It has arm rests and aims at an upright position. It's quite adjustable, with brakes, a seat and a shopping bag. Liz hasn't had a chance for a full test yet.
https://smile.amazon.co.uk/gp/product/B001W7XRPU/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1