This app was mentioned in 2 comments, with an average of 10.50 upvotes
Also check out AntiAnxiety, which I've developed based on a Harvard study. It uses cognitive-bias modification to train you to perceive anxiety-inducing situations more positively.
Yes, here is a link: https://play.google.com/store/apps/details?id=com.greatbytes.antianxiety
Here is a Reddit post (2014) about it as well:
https://m.reddit.com/r/socialanxiety/comments/1yt1ng/new_android_app_to_reduce_social_anxiety/