へ飛ばすだけでOKで、基本的なコード片はこんな感じです:textwell:///add?text=[TEXT]&x-success=[開いていたページのURL]
location.href='textwell:///add?text='+encodeURIComponent(s)+'&x-success='+encodeURIComponent(location.href);
javascript:(function(){ var s=document.title+'\n'+location.href+'\n'+window.getSelection().toString()+'\n'; if('createTouch' in document){ location.href='textwell:///add?text='+encodeURIComponent(s)+'&x-success='+encodeURIComponent(location.href); }else{ prompt(' ',s); } })();
javascript:(function(){ if(location.href.search(/[^0-9A-Z]([B0-9][0-9A-Z]{9})([^0-9A-Z]|$)/)!=-1){ var s=RegExp.$1+'\n'+document.title+'\n'+window.getSelection()+'\n'; if('createTouch' in document){ location.href='textwell:///add?text='+encodeURIComponent(s)+'&x-success='+encodeURIComponent(location.href); }else{ prompt(' ',s); } } })();
javascript:(function(){ var s=document.getElementById('share-options-embed-textarea-s').value+'\n'; if('createTouch' in document){ location.href='textwell:///add?text='+encodeURIComponent(s)+'&x-success='+encodeURIComponent(location.href); }else{ prompt(' ',s); } })();
javascript:(function(){ var s=document.getElementById('share-options-embed-textarea-m').value+'\n'; if('createTouch' in document){ location.href='textwell:///add?text='+encodeURIComponent(s)+'&x-success='+encodeURIComponent(location.href); }else{ prompt(' ',s); } })();
javascript:(function(){ var s=document.getElementById('share-options-embed-textarea-t').value+'\n'; if('createTouch' in document){ location.href='textwell:///add?text='+encodeURIComponent(s)+'&x-success='+encodeURIComponent(location.href); }else{ prompt(' ',s); } })();