ChallengingStage app for iPhone and iPad

Bonus stage is just a shooting game.
The enemy is to not come to attack, because it do not mind hitting, lets focus on that hit.
However, their aircraft and do not defeat the enemy of the number that has been determined for each stage will be reduced by one.
Taking the falling items, armed will change.
N is the normal shot.
L is the laser. It will pierce I weakening power.
M missile. Power is increased, but is a little hard to use.
Since W is wide, it can attack spread to the left and right, wonder if it is fewer miss the enemy.

And keep the same item that armed will continue to power up.
Even if I take the other items, because the minute you power up the remaining, it will reattempt take calmly.