Text Flash Card Maker Free

App can make text base flash cards.
App can edit and add a data.
App can make until 5 groups, each group can have until 50 datum.
App can import datum from a text file which was made on PC beforehand.
For example, a group (id 3) imports from a file named dataIn3.txt in "Download" folder.
Format of dataIn3.txt file is as below
a front data1
a back data1
a front data2
a back data2
a front data3
a back data3

Each line must have one data.