auto start an ios app
You can't run GUI apps by running the binary like that.

Install open from Cydia, then use open bundleid:

&lt;key&gt;ProgramArguments&lt;/key&gt;
&lt;array&gt;
    &lt;string&gt;open&lt;/string&gt;
    &lt;string&gt;com.app.bundleid&lt;/string&gt;
&lt;/array&gt;