While yes you can increase ram of your android smartphone , not entirely to 2 GB but even more utilizing this Technique - You can alot your SD CARD storage to act as a RAM , it will be not as fast as built in ram but it will do the trick
Step 1: Open Google Play Store in your android device.
Step 2: Browse for ROEHSOFT RAM EXPANDER (SWAP) in App store.
Step 3: Tap on to install option and install App in your Android device.
Step 4: Open the ROEHSOFT RAM EXPANDER (SWAP) app and increase the RAM.
– Use Free SD card memory as RAM use (SWAP RAM / SWAP MEMORY)
– Swapfile RAM expansion up to 4.0 GB (file system limit)
– No limit on SWAP partition!
– The usual performance degradation when paged does not occur with SD card of class 8 and above.
– Widget for PNP swap (swap on / off swap)
– Detailed Memory Information & Analysis
– Autorun
– Swappiness kernel parameter set
– Easy foolproof