Heartwarming / Let's Play

Perhaps the let's player comments about how much their fans mean to them. Maybe it's a particular heartfelt connection they have with an in-game character that warms the heart. Or maybe it's a "thank you" video abou hitting a particular milestone in their career. Either way, these are the examples that make you want to reach your arms through the screen and hug them tightly:

http://tvtropes.org/pmwiki/pmwiki.php/Heartwarming/LetsPlay