<ol>
<li>Go to <em>Settings</em> → <em>Applications</em> and
check <em>Unknown sources</em>.</li>
- <li>Download <a href="https://sourceforge.net/projects/openrocket/files/openrocket/${version}/OpenRocket-Android-${version}.apk/download">OpenRocket-Android-<use version>.apk</a>
+ <li>Download <a href="https://sourceforge.net/projects/openrocket/files/openrocket/${androidversion}/OpenRocket-Android-${androidversion}.apk/download">OpenRocket-Android-<use androidversion>.apk</a>
on your device and accept installation.</li>
</ol>