Please capitalize where necessary: why would i want to be in a relationship with someone like him?
A: Why would I want to be in a relationship with someone like him?
Q: a smart gateway can connect up to 50 ip users. every ip device connected with the smart gateway requires a user licence.

A: A Smart Gateway can connect up to 50 IP users. Every IP device connected with the Smart Gateway requires a user licence.
Q: translator - vietnamese - ukrainian
A: translator - Vietnamese - Ukrainian
Problem: the program was translated to 50 different languages. geogebratube were also introduced.
Can you repeat this sentence, but capitalize it?
Answer: The program was translated to 50 different languages. GeoGebratube were also introduced.
Text: developed for extreme environment for working or rescue at heights where user simplicity and reliance are key factors.

Correct capitalization: Developed for extreme environment for working or rescue at heights where user simplicity and reliance are key factors.
Text: rubber band at the bottom which gives a nice fall

Correct capitalization:
Rubber band at the bottom which gives a nice fall