The SDK (software development kit) is a collection of software development tools. It usually aims to ease the creation of applications and integrations. Braintree offers Android, iOS, and JavaScript SDKs. Jotform uses JavaScript SDK to allow you to easily and securely accept payments through your forms. Even though we only use JavaScript SDK, the payment forms are fully compatible with desktop and mobile devices.
If you are looking for ways to create a mobile form, you can take a look at the page referred.