create a hybrid application (Android, IOS)

Dear all I want to create a hybrid application for Android and IOS devices It will be like a simple exchange calculator using our API The application will have only one activity This activity will have about 3 or 4 elements #1 textbox -> the default value will be 1 and the user can edit its value #2 selectbox -> for all supported currencies (using the API), beside the previous textbox #3 datatable -> will display about 3 columns (favorite checkbox, Office, buy rate, sell rate) (using the API) #4 Button -> for refrech the data tip: the favorite checkbox in the datatable will be like an gray Star and the clicking on it will put the whole row in the first of the table permanently tip: change the selectbox will reload the datatable with the new data (using the API), and the favorited rows will display on the first of the table also Thanks a lot