Please capitalize where necessary: the app starts with a tutorial that explains key concepts such as zooming in and out, moving items around or launching them.
A: The app starts with a tutorial that explains key concepts such as zooming in and out, moving items around or launching them.
Q: bloons tower defense 4 will give you almost unlimited replay value.

A: Bloons Tower Defense 4 will give you almost unlimited replay value.
Q: the particles collide, bounce off each other and stay in the area.
A: The particles collide, bounce off each other and stay IN the area.
Problem: registration 22 august 2007 10:10
Can you repeat this sentence, but capitalize it?
Answer: Registration 22 August 2007 10:10
Text: humans gather this kind of information about the opposite sex in more complex ways.

Correct capitalization: Humans gather this kind of information about the opposite sex in more complex ways.
Problem: frank godwin lived from 1889-1959 and was one of the great, versatile, artists of the 20th century.
Can you repeat this sentence, but capitalize it?
Answer:
Frank Godwin lived from 1889-1959 and was one of the great, versatile, artists of the 20th century.