How do habits influence your daily decision-making?

There might exist a rule about not hyphenating “decision-making” here, but that rule would be rather obscure, so it doesn’t matter!

I have been studying English every day for about a year, and. I enjoy it.

So, I often choose the English one aboutuse YouTube or video games to study English.

I’m not certain that this is what you meant, but I hope so!

Although, I couldn't understand them well at first, but I can enjoy them now.

I think that English expression iss are pretty different from Japanese expressiones.

You could say “Japanese ones” here, but it sounds a tiny bit unnatural to me.

Just one word has various meanings in English, andwith less detailed descriptions than Japanese.

I was taught not to use a comma this way unless we are joining two sentences that could stand on their own. However, even many native speakers don’t know that rule.

The trend has ofteWe can bseen seen about this in film's names, such as "Frozen"."

It is indeed very difficult to tell an English-language movie’s content from its title. I like Japanese film titles with kanji that describe the tone and mood!

I have studyied English every day for about a year, and I enjoy it.

I am guessing that you still are studying English - in this case the past perfect tense is the best option. It implies that you started this habitual action in the past, and continue to perform it now.

So, I often choose to watche English one about YouTube orYouTube videos, or play English video games.

Although, I couldn't understand them well at first, I can enjoy them now.

I think that English expression is pretty different from Japanese one.

Just one word has various meanings in English, and less detailed descriptions than Japanese.

I find a lot of Japanese learners struggle with how many applications words like 掛ける have, or when seeing something like つく in kana

The trend has oftecan been seen aboutwith film's names, such as "Frozen".

I've been studying English every day for about a year, and I've been enjoying it.

So, I often choose the English one aboutfor YouTube or video games.

Although, I couldn't understand them well at first, I can enjoy them now.

I think this sounds better if there's no comma after "Although".

I think that English expression iss seem to be pretty different from Japanese ones.

Your original phrasing is perfectly fine, but you could also use this phrasing with "seem to be." This is what I'd probably use myself.

Just one word hascan have various meanings in English, and less detailed descriptions than in Japanese.

The trend has often been seen aboutI've seen this trend often in the names of film's name such aslike "Frozen".

I've been studying English every day for about a year, and I enjoy it.

I changed it to “I’ve been studying" since the activity you're describing started in the past has continued up until to the present moment in time.

So, I often choose the English one abouto watch YouTube or play video games in English.

Although, I couldn't understand them well at first, I can enjoy them now.

I think that English expression iss are pretty different from Japanese expressiones.

Just oOne word has various meanings in English, and less detailedEnglish words are not as descriptions thanve as Japanese words.

Theis trend has often been seen about film's namein the names of films such as "Frozen".

I used 'this' in order to link this sentence to the previous sentence.