What method is the easiest/fastest way for developing Android Apps
<p>Which one of these is the easiest/fastest choice for developing simple Android apps/games? I'm familiar with all of these technologies.</p>

<ul>
<li>Android SDK or NDK</li>
<li>C# on MonoDroid platform</li>
<li>Adobe Flash &amp; Adobe AIR</li>
<li>Corona SDK</li>
<li>Converting tools like PhoneGap</li>
</ul>

<p>Fundamentally, Could you explain adventages and disadventages of this methods.</p>
