The LO is the most compact model with a low and forward CG location that promotes a low-mid trajectory. It’s the most iron-like design of the group and is most likely to work for those with faster clubhead speeds.
The new GAPR clubs are of interest to a lot of folks and for good reason as they do what they’re designed to do very well. The simple answer to your question is yes the GAPR line is designed for any player who needs to bridge the gap between their longest iron and shortest fairway wood which in reality is pretty much everyone.
The newest iteration of the Srixon Soft Feel ($19.99/dozen) golf ball is a two-piece model aimed at players looking for straight distance with a very soft feel at impact.