You can do these function without scrolling in messenger
* old message.
* search message text.
* view/browse conversation/messages history.
* beginning of a chats history.
This app Ive made as gift for my girl friend because she wanna read again our conversation.
Hope it be useful.
Have a good day :)
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/