Copycat of JDAM, Will the UMPK suite be the life savior of Russian Armed Forces?

UMPK modification kit is the Russian recently developed low cost upgrade for Russian non-guidance bomb. This upgrade kit features low cost and give the cheap free fall bomb the ability to glide in the air and the possiblity of percision strike, making the Russian aircraft avoid the Ukraine anti aircraft method.
How was the UMPK suite made? Why Russian need this for the war?