First way<ol><li>Any one can use an app builder service (application construction service in Tamil).</li><li>There are many free services on the Internet. Famous Bitrust (pinterest) company. They help save us as an app. <a target="_blank" href="https://developers.pinterest.com/docs/api/overview/">Pinterest Developers on</a> this website can learn a lot about this</li></ol><a target="_blank" href="https://qph.fs.quoracdn.net/main-qimg-5acf43701d8594df8703c8a214843203"><img src="https://qph.fs.quoracdn.net/main-qimg-f23e7297c21d0d6b6421146bccf7a44e"></a>The second way<ol><li>Coding (code)</li><li>If you are interested in Java, C ++, Python, you can use this key</li></ol>