Howdy,
If you want to do that, you can’t use the shortcut way of loading an app:
<config>
<smart_blf>
<blf_items>
<blf_item location="side" index="0" paging="1" app_id="status"/>
</blf_items>
</smart_blf>
</config>
Doing that will put the status app on there, but you won’t be able to edit the name. The status app is, under the hood, maintaining an app_id of “status” so that’s that.
But, if you go about things using a contact that loads an application, e.g. in your Contacts file make a contact like:
<?xml version="1.0" ?>
<phonebooks>
<contacts group_name="Directory" editable="0" id="0">
<contact id="1234" prefix="" first_name="" second_name="" last_name="Status" suffix="" contact_type="special" organization="" job_title="" location="" notes="The Status Application" account_id="1234">
<emails>
</emails>
<actions>
<action id="primary" app_id="status" label="Status" name="Status App"/>
</actions>
</contact>
</contacts>
</phonebooks>
And then, in your Smart BLF sheet, something like:
<config>
<smart_blf>
<blf_items>
<blf_item location="side" index="0" paging="1" contact_id="1234">
<behaviors>
<behavior press_action="primary" press_function="show_app" />
</behaviors>
</blf_item>
</blf_items>
</smart_blf>
</config>
Then, you’ll have an app mapped to a contact, where you’ve set the last name for the contact to “Status.”
Note that I haven’t fully tested my samples above, they’re just hand-written, so there might be syntax errors. 
Having said all of that, if what you’re trying to do is map a key on your phone to controlling your Status while you’re on a call, you’ve got a couple of options. First, understand that the Status is actually controlled by a custom device state inside of Asterisk - wiki.asterisk.org/wiki/display/ … erPresence
So, what you’re doing then is just updating that device state in Asterisk. You’d need to make a BLF send something to Asterisk that it can parse using in-call DTMF (features.conf) or you’d have to write your own app that, when loaded into the foreground, fired something off to Asterisk that you could then grab (probably over AMI) and then feed back into Asterisk in terms of setting the device state.
Cheers