Cake Ihagaze Duhereye ku kwamamara kwinshi mu guteka murugo twashoboraga kubona ko dukeneye igihagararo kigezweho kigezweho, gishobora kubikwa byoroshye mu kabati cyangwa gushushanya. Biroroshye koza no koza ibikoresho neza. Urusengero rworoshe guterana kandi rwihishwa mugushira amasahani hejuru yumugongo rwagati. Gusenya biroroshye cyane kubisubiza inyuma. Ibintu 4 byingenzi byose bifatanyirizwa hamwe na Stacker. Stacker ifasha kugumya ibintu byose hamwe kububiko bwinshi buringaniye. Urashobora gukoresha ibyapa bitandukanye muburyo butandukanye.