Hi Nagaraju,
Having gone through the requirement file, I would like to ask you that do you have the design ready for the app? As you are showing urge for swift performance so, definitely the app has to be Native, and regarding the bug free assurance, I would like to say that we are human so I can not guarantee that my app will be bug free but I can handle the crash easily which is a major concern in Android app development. If you think I can be worthy for your project, please leave a word a for me.
Eagerly awaiting your response,
Sanjay