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After you've done the "on-page" optimization, you can build links of course and yes you will probably follow the same methods you use for normal SEO, but I would probably focus on making sure the product (App) itself is great and then work on getting good reviews. Since we're talking about App Store Optimization here and not Search Engine Optimization, you want to work on those things that can help boost your App in the store itself. Lots of good reviews are similar to lots of links in that they are all "votes" for that App in the App Store search results.

I'd tend to agree - you're basically putting out copies of your own content. Google can index those PDFs, which may end up looking like low-quality duplicates or some kind of article marketing. That could get you into Panda territory, or it could just devalue the content on your own site and boost the other sites. It depends on the situation, but you'd almost be better off just syndicating the content as regular web-pages and then making sure it links back to you (or has a cross-domain rel=canonical). Otherwise, this spun off content is going to be seen as very low-value.

Ha, Ha--yes the best way to increase Alexa ranking is by increasing visits to your site by browsers w/the Alexa toolbar instead. Sounds like an accurate metric to me

1st you should have to focus on on-page content its mean you will make a goal of your keywords using to promote on your website, keyword selection is most important & starting point of any new website, select your keywords with 10 competitor analysis, check the keyword competition also, then use keywords wisely on your on-page content. SEO strategy is also based on your competitor analysis, then it depends on how much juice you will put on it with your team or by yourself actually, SMO strategy you know that most lucrative path for success in IM. definitely make facebook page, twitter account, google+1, pinterest, tumblr. these are most important for your SMO strategy. new things are picture attraction, Pinterest is used to attraction because now in 2013 image seo is most important, 2nd tool is infographics its very important nowadays & coming arena, mostly people dnt want to read full article, if you have a attractive infographics regarding your product or whatever you want to promote, its a juicy for your website PPC is also very strong place in it, you will have to make a budget on monthly basis how much you will invest on PPC, then select which tool you want to use, in my opinion most attractive are google adwords & facebook ads, your internal blog is good for your website updates, news, information, but also work on external blogs, they will also help to boost your ranking in serp

They based their rankings on data collected via a toolbar. Since this is biased and is a small sample, don't rely on it. Focus on providing a great user experience and off-page seo and you should naturally increase in Alexa rankings. If you do not, don't worry about it at all...

Hi Sam, To launch a new international version targeting a new country you have 3 options: ccTLDs, sub-directories and sub-domains, as shown here. All of them have pros and cons: ccTLDs: The best to geolocate and ideally if you have the resources this would be the way to go. However it might be harder at the beginning to grow their popularity as they will be independent domains (won't be able to inherit the popularity of the current, older domain). Nonetheless, by using the ccTLD search engines will identify in a much more direct way that you're targeting to another country. Sub-directories: Under the main domain, you would need to enable one for each additional country. With them you'll be able to "inherit" and consolidate the popularity of the main domain which will help at the beginning to get traction to rank. However, you will need to additionally geolocate each sub-directory with Google Webmaster Tools so the search engine identifies that they're targeting to different countries. Sub-domains: In the main domain, you would need to enable one for each additional country. Here the consolidation of popularity is not so straight-forward as in sub-directories as sub-domains are also seen sometimes as independent entities but they might be better when you need to enable a complex and deep Web structure for which you don't want a sub-directory as it will add a an additional level of deepness in the URL. Sub-Domains also need to be geolocated with Google Webmaster Tools. For all cases, you can also use hreflang annotations to specify the language and country targeting for each page. I hope this helps! Aleyda

Creating an entire marketing and branding strategy is far beyond the scope of a simple Q&A thread. I would suggest hiring an hourly consultant to assist you in creating a strategy.