Plz help

I love this app the only thing is.... I with it could do everything musically can do. Like make it fast or slow and post. I also wish we could see other peoples musicallys or dubsmash. I would love this app so much more! Plz help make this happen! Also I need more space you can only make 150 dubs and I need more! Im not using this app if it wont allow me to make Anymore! I love making memories with my friends. Another thing it keeps crashing!! FIX NOW PLEASE!!!!!!!

Tea.lee about Dubsmash - Videos & Music, v2.3.1