I found a website to get old java games on your flip phone : r/dumbphones

General Questions and Information Thread, Page 89

History of mobile games - Wikipedia

Nokia Mobile CPO: Increasing investment in Nokia feature phones, while having a holistic approach for smartphones

Original V3 Refurbished-Original Motorola Razr V3 GSM Quad Band Flip Unlocked Old Fashion Cheap Cell Phone With Free Shipping –

A Few Dumb Phones – Review of T Mobile's LG GS170

TOP 100 BEST JAVA GAMES (OLD PHONES)

Gen Z is making feature phones more popular in the US

Japanese Feature Phone Game Preservation: Uncovering a Forgotten Era of Gaming

Nostalgia for Mobile Gaming in the Java Era

Surfing the internet on an old mobile phone? It's possible!

How can I play doom on my phone keys? - Source Ports - Doomworld

TCL FLIP Pro

Mobile game, Ultimate Pop Culture Wiki

Is it possible to live with a dumb phone nowadays? If so, how do you effectively switch from a smartphone? - Quora

You Can Now Play A Bunch Of Old Phone Games Legally, Easily And For Free