Do Armin Like Annie?

Armin's feeling for Annie are more subtle during Season 1 but it is possible that Armin has had feelings for Annie before her reveal as the Female Titan.

Does Armin like Annie because of Bertolt?

Although Bertolt's memories might gave Armin some fresh new perspective. For example, he now knows Bertolt had a crush on Annie. ... They have no influence on Armin's personality. Only on his troubled conscience (even if he is not really the guilty party here.

Does Armin kiss Annie?

Annie cupped Armin's cheeks and moved her lips towards his, for some inexplicable reasons, it didn't feel awkward, nor did it feel just right, it felt like they had already done this plenty of times, but each time they kiss, a new fire is ignited and they were thrown into a whole new world.