Cell phone apps. Pooling or instantiate?

For mobile apps like androids and iphones etc. should I use pooling or instantiation
this is regarding cell phones so please structure your answer towards performance for cell phones not desktops.

I have some enemies I want to spawn thru out the game

every 1 second two enemies are spawned
so performance wise should I use pooling or instantiate?

again the enemies are spawned form game start to end every second 2 enemies spawned and player must destroy enemies

so which is better for performance on cell phones ?

I don’t know how about apps, but here is a cool device, it is called mobile signal booster. Once i tried it on my best friend’s phone, liked it and bought for myself) If you are interested in it, I’ll give you an example of it)) Mobile SIgnal Booster