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If it is, then you might want to hold off on your marketing. Marketing is all about showing people your best product, so people will fall in love with it and want it for their own. If your product is mediocre, then the relationship could be over before it even starts.
This was the case for my first application. I knew that I wanted it out by a certain time, but I just couldn’t meet that deadline. I also could not get some of my desired features to work. Part of the problem was that the features needed to wait for certain information that I wouldn’t have until a few weeks later. Some of the features wouldn’t work because I couldn’t figure out how to program them. Even though I didn’t want to do this, I put a disclaimer in TextView on the splash screen that read, “This application is still under construction. More features are coming soon. Please do not review yet.”