Solution
Okay here is the steps if you have Wiko 5.1 lollipop!
1-Download Flashify from play store.
2-Root your phone with KINGOROOT;the only app that roots wiko rainbow jam.
3-After rooting your phone, Grant Root permission for Flashify(it will ask for it automatically ).
4-Download this version of TWRP.
(Contact me in my email
[email protected]_so i can give you the link because i can't post external links yet.
5-You will have a folder in the zip you downloaded called TWRP recovery.unzip the file.
6-Go back to Flashify,click on (recovery image),click choose file, browse in the directory where you unzipped your file,choose the recovery image (it has 11.6 mb).Click Flash it, then use provided.
7-That's all, you have custom recovery.Now,download Xposed installer. And download Xposed Framework (arm 22).
8-After that,install Xposed apk.Dont open it!!
9-Go to Flashify, click on ZIP FILE, choose the Framework of Xposed that you downloaded (It will come as a zip file).Choose TWRP OR PHILZ and click Yup! Choose use provided then choose reboot now. 10-That's it!.
Note 1:I used Flashify because this version of TWRP doesn't have touch screen or button input working, so you have to give it commands through FLASHIFY

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Note 2:After flashing the Xposed framework,your phone will take about 10-15 mn Optimizing the apps.