@RedScorpion_Gheorghi and @djsedaw
meanwhile you might want to follow tip 3 here
http://community.thunkable.com/t/general-tips-and-tricks-for-app-inventor-thunkable/5158?u=taifun
see also http://twodogapps.com/?page_id=686#Redundancy
and http://twodogapps.com/?page_id=686#Procedures
Taifun