Please draw your pattern to unlock
start by adding a friend by clicking the on bottom left corner of screen
len den (debit-credit) is a app to track the money you have to pay to your friends and you have lended to your friends
      dena: friends lended you money and you have to pay. (theme: red) 
      lena: friends will pay you money you lended to them. (theme: green) 
    
to add lena or dena you have to click your frends name you already added and add from the form over bottom of your screen