I'm not T2 and use a lot of technology. I have however, recently used multiple daily injections (basal and bolus) and a meter to guide my insulin treatment. (I used a CGM, too.) One thing I would find enticing is equipment that can automatically record and remember at least the last dose taken from a pen. If my memory is a blank and I don't have any record then I'm faced with missing a dose altogether or double dosing, a problem either way.
David's solution for a hand-written log has a lot to recommend it. Where I get into trouble with that system is the occasional interruption, whether it be a phone call or knock at the door, that blows up the best of intentions. With a pen recorder, if the insulin is delivered then the record is made, too. I do best with technology that automatically makes a record and doesn't require me to take a moment and separately make a record.