MengMengDa has 51 stickers in continuous design and is free to use. The following are the meanings of the existing stickers:
"cheeky","cheeky2","confused","confused2","confused3","confused4","confused5","confused6","cool","cool2","cool3","cool4","crying","crying2","crying3","crying4","crying5","crying6","crying7","dead","dead2","dead3","dead4","dead5","detective","detective2","devil","devil2","devil3","devil4","devil5","devil6","dissapointment","dissapointment2","dizzy","dizzy2","drooling","evil","evil2","frustrated", "frustrated2", "frustrated3"