want to make Language translation android app

Hello All, I want to make All Language translation Android application. Some features may be. 2) Translation done in any language 3) Voice to Voice & Voice to Text (Speak & Translate in all languages) 4) Text to Text & Text to Voice ( Text to Speach) 5) image to text Transaction (Scan and translation) 6) Admob and Facebook ads implementation 7) in-app purchase 8) icon popup on screen or any option to translate on screen, to select and translate any were like whatsapp, Facebook, Twitter, browser, e-mail 9) Signup, Sign in with Google, E-mail, Facebook. 10) Please bid your final price for above features and fix duration.