Whatsapp Java J2me

: Optimized to run on devices with as little as 32MB of RAM.

protected void pauseApp()

: Supported low-resolution photos and small audio clips. Whatsapp java j2me

The WhatsApp J2ME client offers enduring lessons for embedded systems and IoT messaging: : Optimized to run on devices with as little as 32MB of RAM

An introduction to Java 2 micro edition (J2ME) - ACM Digital Library Whatsapp java j2me