<i>You can&#x27;t start a startup on Android because you&#x27;ve got to purchase 500 devices for validation.</i><p>Nonsense. <a href="https:&#x2F;&#x2F;aws.amazon.com&#x2F;device-farm&#x2F;device-list&#x2F;" rel="nofollow">https:&#x2F;&#x2F;aws.amazon.com&#x2F;device-farm&#x2F;device-list&#x2F;</a> if you really need to test across a range of devices<p><i>You can&#x27;t use peer-to-peer on Android because of device fragmentation unless you want &quot;Google Nexus 2015 Devices Only&quot; social networks</i><p>? There are plenty of popular apps that already do this.<p><i>Wrong way around. Users first, refine, iterate, grow.</i><p>I agree with this, but you need something functional to attract users. Re-wording your point, make sure your MVP is minimal.<p><i>Move to San Fransisco</i><p>Disagree unless you&#x27;re actively seeking serious VC funding and think it&#x27;ll help.