Engage with Twitter users for 3 hours daily

We are seeking someone to engage with twitter users 3 hours daily for 7 days a week [3 hours can be split if possible at 2 different times of the day like 1.5 in European afternoon and 1.5 in European night]. Target audience is from Europe and America. The expected candidate has to have decent video games knowledge and be a gamer himself/herself to do proper engagements. A plus if player plays collectible/trading card games.

Type of engagement expected will be:
1. Reactions (likes, re-tweets)
2. Comments (engage with users online)
3. Reply back if users reply to your initial comments