Options:

F1 - Inf.Drone Health
F2 - Inf.Scrap
F3 - Inf.propulsion
F4 - Inf.Jumps

Notice:

First start mission then activate health cheat and switch between drones to give them health boost
First open Modifications screen then activate scraps cheat then close modifications screen and open it again
First spend some Propulsion once then activate Propulsion cheat then spend Propulsion again to get cheat effect
First jump once then activate jumps cheat then jump again and you will get the cheat effect.