<sod>'''LeWa OS''' (Chinese: 乐蛙), also called '''Music Frogs'''<ref>{{cite web|url=http://gizbeat.com/1863/lewa-music-frogs-releases-new-android-4-1-jelly-bean-rom/ |title=LeWa Music Frogs Releases New Android 4.1 Jelly Bean ROM! |publisher=GizBeat |date=2012-09-03 |accessdate=2013-10-08}}</ref> or '''жабка''',<ref name="technochina">{{cite web|url=http://technochina.com.ua/articles/lewa-os-lyagushenok-zatochennyi-pod-mediatek-devaisy |title=LeWa OS - "лягушенок", заточенный под MediaTek девайсы &#124; Электроника из Китая |language=ru |publisher=TechnoChina |date= |accessdate=2013-10-08}}</ref> is a third-party [[Android (operating system)|Android]] ROM produced by the Chinese company [[Lewa Technology]]. It mainly focuses on developing ROMs for low-end phones under 1000 yuan (around US$126).<ref>{{cite web|url=http://technode.com/2013/09/30/lewa-an-android-smartphone-custom-rom-developer-released-os5/ |title=Lewa, An Android Smartphone Custom ROM Developer, Released OS5 |publisher=Technode.com |date=2013-09-30 |accessdate=2013-10-08}}</ref> As of April 2013, they have more than 2 million users,<ref>{{cite web|url=http://www.ifanr.com/353968 |title=乐蛙 OS 5，让千元智能机更好用更好看 - 爱范儿 · Beats of Bits |publisher=Ifanr.com |date=2013-09-29 |accessdate=2013-10-08}}</ref> and as of July 2012, they are among the Top 3 custom Android ROMs in China, together with [[MIUI]] and [[DianXin OS]] (also known as Tapas OS).<ref name="pcedu.pconline">{{cite web|url=http://pcedu.pconline.com.cn/softnews/yejie/1207/2856302.html |title=腾讯5000万投资乐蛙科技 抢夺刷机渠道_业界资讯_太平洋电脑网PConline |publisher=Pcedu.pconline.com.cn |date=2012-07-10 |accessdate=2013-10-08}}</ref> Lewa is also the first-ever custom Android ROM in the world that supports [[dual-SIM standby]] feature.<ref>{{cite web|url=http://tech.ifeng.com/mi/company/detail_2012_06/28/15631891_0.shtml |title=乐蛙OS发布全球首款双卡双待第三方ROM_科技频道_凤凰网 |publisher=Tech.ifeng.com |date=2012-06-24 |accessdate=2013-10-08}}</ref> The ROM includes its own LeWa market,<ref>{{cite web|author=anexonel |url=http://www.gizchina.com/2013/01/27/lewa-rom-bring-android-ui-to-the-goophone-i5/ |title=Goophone I5 running LeWa OS |publisher=Gizchina.com |date=2013-01-27 |accessdate=2013-10-08}}</ref> a power save mode,<ref>{{cite web|url=http://www.droidsimplified.com/584/lewa-os-best-ever-custom-rom-for-micromax-a110/ |title=LEWA OS – BEST EVER CUSTOM ROM FOR MICROMAX A110 |publisher=DroidSimplified |date=2013-08-08 |accessdate=2013-10-08}}</ref> adjustable switches in notification bar,<ref>{{cite web|url=http://china-review.com.ua/reviews/software-reviews/1379-lewa-os-bolshe-chem-prosto-android.html |title=Lewa OS - больше, чем просто Android! » China Review - обзоры китайских телефонов, смартфонов и планшетных ПК |publisher=China Review |date= |accessdate=2013-10-08}}</ref> and some other modifications that are "optimized and localized" for Chinese users. It releases new version via [[over-the-air update]]s every Friday.<ref>{{cite web|url=http://tech.163.com/11/1114/14/7IQVO3IT00094L5O.html |title=乐蛙：押宝千元安卓手机的刷机市场_网易科技 |publisher=Tech.163.com |date= |accessdate=2013-10-08}}</ref><ref>{{cite web|author=小杰 |url=http://www.iwanpc.com/10132.html |title=LeWa 乐蛙OS 官方下载—专为千元Android手机深度定制开发的Android ROM &#124; 爱玩电脑 |publisher=Iwanpc.com |date=2012-02-04 |accessdate=2013-10-08}}</ref><ref>{{cite web|url=http://chuangyepu.com/startups/5011 |title=乐蛙科技 &#124; 创业谱 |publisher=Chuangyepu.com |date= |accessdate=2013-10-08}}</ref> Unofficial releases are available for certain phones without official support from LeWa.<ref>{{cite web|url=http://fans-android.com/portirovanie-lewa-os-na-svoyo-ustrojstvo/ |title=Портируем прошивку LeWa OS на свое Android-устройство &#124; Прошивки &#124; Фан клуб android |publisher=Fans-android.com |date=2012-10-25 |accessdate=2013-10-08}}</ref> Some believe that it provides a user experience and design that's similar or better than [[iOS]]<ref>{{cite web|url=http://pinoyscreencast.net/lewa-os5-coming-soon-better-ios/ |title=Lewa OS5 Coming Soon better than IOS &#124; PinoyscreencastPinoyscreencast |publisher=Pinoyscreencast.net |date= |accessdate=2013-10-08}}</ref> and [[MIUI]], and some also point out that the ROM is simple and battery-saving.<ref>{{cite web|url=http://lifehacker.ru/2013/09/15/lewaos-sdelaet-vash-android-udobnee-i-krasivee/ |title=LewaOS сделает ваш Android удобнее и красивее &#124; Лайфхакер |publisher=Lifehacker.ru |date=2013-09-15 |accessdate=2013-10-08}}</ref><ref>{{cite web|url=http://htc.tgbus.com/soft/432700.shtml |title=乐蛙OS怎么样？乐蛙ROM实际使用评测_巴士HTC |publisher=Htc.tgbus.com |date=2012-05-22 |accessdate=2013-10-08}}</ref> However, some Chinese commentators believe that it consumes more battery than stock Android.<ref>{{cite web|author=2013年04月15日06:10 |url=http://roll.sohu.com/20130415/n372665246.shtml |title=乐蛙VS原生Android 纽曼K1两版ROM对比-搜狐滚动 |publisher=Roll.sohu.com |date=2011-09-21 |accessdate=2013-10-08}}</ref><eod>
<sod>{{Infobox OS<eod>