Ubuntu for phones doesn’t have an official online store for the applications accessible from the PC, but that doesn’t mean someone didn’t manage to put one together. It’s not official, but it works very well.
Now that there is an Ubuntu phone in the wild, users have started paying much more attention to the applications available in store. There are a lot of them, but you can’t see them unless you are booting an Ubuntu OS on a phone, like Aquaris E4.5 Ubuntu Edition or Nexus 4. Now that has been changed because an unofficial store is available.
Source: http://linux.softpedia.com/blog/Unofficial-Ubuntu-Store-for-Phones-Now-Available-on-PCs-473334.shtml
Submitted by: Silviu Stahie