I want to add Auto Corrective text on Top size of My Keyboard App

I want to add Functionallity to my Existing keyboard app, which is Whenever User types some text Related to that Characters, Spelling or Suggestions will be Shown at Top of Keyboard app. and Click on that will Add That Text. Simple Suggestion Function of Keyboard I want to Attach to my Existing Keyboard App. All things would be Done throgh TeamViewer or Any Desk