It's called the Coanda effect, where the airflow follows the surface of the airfoil design. That's why the Boeing YC-14 and Antonov An-72/74 had high-mounted engines, since the airflow from the engine exhaust actually followed the large wing flaps right behind the engine itself in a process called upper surface blowing. This results in dramatic reduction in takeoff and landing runs; indeed, the An-72 during its public demonstrations showed it could land and takeoff with the runway equivalent of not much more than the length of two American football fields!
The version of the An-74 proposed would probably use the same General Electric CF34 variant now used on the Embraer 190 regional jet airliner.
I wonder if Boeing would also use lighter more advanced alloys than Antonov used.