England face the USA and Canada in July, while an England 'A' team will meet Scotland 'A' at the end of June.
"It's all about two years to the World Cup now and building a squad to 2023," Jones told BBC Sport.
"That's the opportunity for this summer tour."
Jones names his squad on Thursday, 10 June (12:00 BST), and with 11 England players away with the British and Irish Lions, the squad will take on a new complexion.
In-form Harlequins fly-half Marcus Smith is one of a host of rookies pushing for a first cap.