@AkshayCHD I was trying to merge it on the multiple_dataset branch but I see wordsgame activity does not have the configuration, can you update it? It is a derivate of gletters

According to https://forum.qt.io/topic/66783/textfield-and-keyboard-on-android, it seems the android keyboard pops up if we call forceActiveFocus.
I don't have a physical keyboard for android but can they test if this patch:

@echarruau can you please check the difficulty of the datasets and set the corresponding levels in "stars"?
For example, for money_back, at last level, Tux has 100€ and needs to buy 4 elements (21€, 59€, 50€ and 68€) and I'm not sure that it is not too complicated (at least for a 3 stars dataset).
Same for money_cents and money_cents_back where there are also cents (so 49.06€, 164.09€, 25.02€ and 545.08€ for example) which seems quite difficult without calculator

The diff is not complete (missing datasets for example). Just one point to fix, on last dataset of minus-hat, it's up to 10000 not 1000.
@echarruau , for higher levels, would it make sense to have an hint on the numbers ? When the coefficients are displayed, and the stars are displayed, it maybe difficult for children to count exactly?

@echarruau can you test this when you have some time to see if it is good on the pedagogic level? Instead of applying the diff, checkout the branch gsoc_akshaychd_multiple_datasets where the work is done

Good job for the activities.
There is an issue when running gletters or wordsgame:
qrc:/gcompris/src/activities/gletters/Gletters.qml:89: TypeError: Type error

https://commits.kde.org/websites/gcompris-net/5f862f4d1f2e986d2d6784d7ee9136fe0b581b08 removed the dependency for the language list

For 6, it's a regression I added with multiple dataset, I'll handle it.

I let the other mentors do a complete review, I only point out one improvement that would be great to have

This is good start :).
I did some small comments. Please check with your mentors how you prefer to work: either work by diffs, or you create your own branch (do commits when you want) and once it's good create a diff of the set of commits you want to check.

2-3 potential modes:

• like in missing_letter, a list of words and an image, we need to select the good word.
• like in missing_letter, a list of images and a word, we need to select the good image corresponding to the word.
• (in a 2.5 dimension world, having an item in the middle, a person to place on the asked position?)