Please add iCloud Sync

I miss the feature to have my documents synced via iCloud. I’d love to begin a rough sketch on device 1 and continue it on device 2. Please add that - then it will be 5 stars :)
Sometimes I wish there would be an UNDO function so I could correct spelling errors. (the line through-function is only helpful for word changes not for spelling errors)

ma_ke about Rough Draft, v1.5