These are fun to go through. Do you need translations for the non-prototype ones too?
I haven't played Squeak Squad, is the ghost ability something where you leave your body behind to become a ghost? If that's the case it seems reasonable.
Hot! Yes, this is hot.
Freeze enemies and fling them away!
Flame-wrapped body slam! Can't stop! Just can't stop!
Become the wind of the race course.
Fast. Way too fast.
The sun shines
The parasol thrusts
Go for a walk
Protect from enemies
Float as you fall
* This one is structured as poetry, with the first three lines forming a haiku. The first two lines also play on さして being the verb for both sun rays beaming down and pointing or thrusting something.
The beam that bends like a whip!
Beam! Beam! Beeeam!
Try throwing the enemy immediately!
Change the throwing direction!
Optical weapon loaded
There's a rumor that if you hit a slope, the direction changes.
You are ~lucky~ to have been able to copy this!
Learn to use four abilities that are based on how long you hold the button!
* Onomatopoeia for electricity or sparks repeated over and over. The word あそれ is mixed in, and I actually don't know what it means and couldn't find it in any dictionaries. It could be a variant of あそーれ which is a bit like "heave ho", used to signal when you're tossing something. Not sure about this one.
Spin spin spin
Explosion! Smash brothers fist!
Warning: final weapon in control!
This is an extra
Edit: yoshifan, thanks for correcting the stone description. Using your wikia tip I was able to confirm a bit I couldn't read out of the laser description too. I appreciate it!