Java is the native application development platform for Series 40 devices. Series 40 Web Apps provide an alternative environment, primarily for developing apps to access existing Internet services. Flash Lite apps can be created in Series 40 devices released before May 2012.
Developing applications for these devices is interesting. Series 40 phones are like budget phones cost less and more efficient considered to any other manufacturer's low-end devices. Most of the users of phones are students, teachers, farmers, senior citizen and taxi drivers and all.
When it comes to development, Series 40 devices have different screen resolutions, different memory size, different CPU clock rates and different hardware type. There are Classic phones, Touch and Type phones, Qwerty Phones and Full Touch phones. When it comes to screen resolution; it ranges from small screen (128x160 pixels) to medium (240x320 pixels, 320x240 pixels) and to large (240x400 pixels) resolutions.
We need to consider memory at most. For some of device max. jar size allowed is 2MB and maximum heap memory available is 4MB. High-end Series 40 devices can have the features of smart phones - for example Asha 303 and Asha 311 have got a 1GHz CPU.
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