Android Voice Changer Application

I want to make android voice changer app with following features and sound types. FEATURES: ✓ Share (whatsapp, e-mail, dropbox, etc...) ✓ Save to internal memory / SD card ✓ Create image with sound. You can share it on Facebook ✓ Import pre-recorded sound ✓ Create voice from text ✓ Ads Integration ✓ Set as ringtone ✓ Set as notification sound ✓ Changing pitch, speed, adding echo and more. INCLUDES FOLLOWING EFFECTS: • Normal • Helium • Robot • Big robot • Squirrel • Dizzy • Backwards • Monster • Nervous • Giant • Telephone • Cave • Cathedral • Dark side • Alien • Grand Canyon • Fan • Devil • Child • Sheep • Overlord • Small alien • Megaphone • Death • Everything is spinning • Hexafluoride • Small creature • Optimus Robot • Android • Villain • Battery low • Shrinking • Cyborg • Duck • Extraterrestrial • Deep voice