ChineseSkill

Learn Chinese with simple tasks and games

Cake

Simple system to learn English with videos

Drops: Learn Russian

Excellent app for learning Russian with Android

Lingomate

Learn Chinese on your mobile

Memrise

Learn languages with a revolutionary method

ELSA Speak

Improve your English with this assistant

EWA

Learn to speak new languages with characters from books and movies

Exam Lift

Prepare for your English exams

Lingutown

Go ahead and learn any language

Kana Town

Learn Japanese in a pleasant and efficient way

Drops

Learn 35 languages with games and pictures

English Grammar Test

Improve your English grammar

italki

Learn languages with native teachers

Wlingua Spanish

Learn Spanish once and for all

Du Chinese

A pocket-sized tool for learning and translating Mandarin Chinese

Wlingua English

Improve your English from your phone

OfferUp

Purchase, sell or give away whatever you want

Shpock

App to purchase and sale items between individuals

FootLove

Platform for buying and selling photos and videos of feet

Karrot

Buy and sell stuff at a digital flea market

Gumtree

Purchase and sell between individuals with Gumtree for Android

TCG Market

Buy and sell cards for a range of games

Vinted

Buy and sell cheap clothes with Vinted for Android

Wallapop

Classifieds app to buy and sell between individuals

VarageSale

An online flea market for second-hand goods

Kijiji

Canada´s biggest app for private buying and selling

Whatnot

You can sell and buy live

Locanto

Classified ads app for buying and selling

Divar

App for buying and selling new and second hand items

Tradera

A good trading platform

Mercado Libre

The number one buying and selling service in Latin America