You condense them when you create them. The smokescreen expands to lets say a short-range diameter around the target. Yes, the heavy smoke can be used with it.
This next one is used specifically for taijutsu purposes. When in hand-to-hand combat, you'll point your wrist launcher towards the target's face and release a quick burst of smoke. This will blind them momentarily and cause them to cough, giving you a window to land an attack.
*makes two clones*
Try it out, and finish with a taijutsu attack.
-Done-(Ninjutsu: Hatsuendan Juugan no Jutsu) | Ninja Arts: Smoke Bomb Bullet Technique
Type: Attack
Rank: B
Range: Short-Long
Chakra Cost: 20
Damage: 40
Description: The user first preforms two hand seals and raises their wrist launcher towards a target. They then release up to three highly condensed spheres of smoke which are capable of striking a target with great force, similar to pressurized wind techniques. Upon hitting its target the bullet erupts like a smoke bomb release a large cloud of smoke around the target.
This next one is used specifically for taijutsu purposes. When in hand-to-hand combat, you'll point your wrist launcher towards the target's face and release a quick burst of smoke. This will blind them momentarily and cause them to cough, giving you a window to land an attack.
*makes two clones*
Try it out, and finish with a taijutsu attack.