With this app you will be able to check the next comic releases from the main american publishers, mark which series you are following and which comics you've already read.
Right now the included publishers are Marvel, DC (including Vertigo), Image, Dark Horse, IDW and Dynamite Entertainment. More interesting publishers will be added in the future.
This app is not meant to download comics, but to follow the information about releases.
Guthwulf Apps is not related in any way to any of the comic publishers mentioned.