Can we transfer saves from 0.3 to 0.4?
Should be possible, I only managed to recover my 0.2 saves from my other phone, I completely forgot where I placed my saves for 0.3, it worked fine.
The updates are always progression wise.. Linear.. Basically progressing the story. If there are changes to the content of the previous versions on the update, it's most likely some minor dialogue changes/fixes, or maybe addition of music.