I've been staying at APA Hotels for most of my trips to Japan since most of them are fairly priced and offer very convenient locations close to stations.
The Ryogoku Eki version definitely has a different vibe compared to the standard APA Hotels that I'm used to staying at. I suppose the "Resort" part isn't there just for show.
Hotel: This is probably one of the largest APA Hotels that I've stayed in, with 31 stories in total. The elevators are separated into lower section and higher section. There is even a basement floor which houses the public baths, gym room, laundry room and microwave. On the second floor, there is also a dedicated Lawson within the hotel itself, making it super convenient that you don't even need to step outside the hotel to grab snacks or drinks. There are also multiple restaurants/cafes within the premise.
The room itself was still a pretty standard APA business style, but perhaps that was because of my economic single room.
Convenience: Like I've mentioned, there is a Lawson on the 2F of the hotel itself. The area around the hotel isn't exactly convenient, since there's not much between the hotel and the station itself, especially with the museum nearby closed for renovation. However, right next to the Ryogoku station's east exit, there are a plethora of small restaurants to satisfy any craving you may have.
Service: All the staffs were very friendly and helpful especially when I needed assistance with Yu-pack.