The main features of Saralin include the ability to reply to threads with pictures and mahjong emojis, compose new threads and polls, send direct messages to forum users, and receive notifications. Users can also sync their favorite threads list, use the Watch list to receive notifications when threads are updated, and block unfriendly forum users or threads. Additionally, the app offers a daily pouching feature.

Saralin is a free application and users are encouraged to support the developer through donations. Overall, Saralin provides a convenient way for Stage1st forum users to access and engage with the forum from their iPhone.