my cat

He likes to play with a toy every day.

I have been throwing the toy more than one hour with him.(or)I have been playing with him for more than an hour.

I enjoy playing with him.

but I'm a litte tired.

My cat

Remember, when starting a sentence, or even making a title, always start with a capital letter. This is very important to learn. For example. "i have a cat" would be incorrect because it is the beginning of a sentence and 'I' is not capitalized. The correct form would be. "I have a cat."
Other examples would be:
"My dog loves to play."
"She was very strange."
"He was quite happy."
Remember - always start a sentence with a capital letter. :)

He likes to paly play with a toy every day.

Remember, play is spelled 'p-l-a-y.' The 'l' is before the 'a' not after.
Remember to also insert the correct words in the correct places. For example: "she very kind" would be grammatically incorrect as you forgot to insert the one crucial word that would make the sentence understandable - 'was.' The correct form would be: "she was very kind."

I have been throwing a toy more than one hours for him.

Since you are referring to something singular (not referring to something multiple) then there is no need for the 's' after 'hours.'

I enjoy playing with him.

Remember to insert 'l' in 'playing' - p-l-a-y-i-n-g

But I'm little tired.

Again, remember to put a capital letter at the beginning of your sentence.
Little is spelled l-i-t-t-l-e.