ALLOY: avoiding possible memory leaks when the app has a lot of separated Window elements

• Application type: Alloy mobile for Android
• Titanium SDK: 3.5.1.GA
• Platform & version: Android
• Device: real S3 Andr. 4.3 and Genymotion API 10
• Host Operating System: Win x64
• Titanium Studio: Titanium Studio, build: 3.4.1.201410281727

Could anyone make a bit of clarification about this once and for all? Online there is a lot of stuff that has caused to me only frustration. I'm talking about Alloy app: I've two View files:

index.xml

<Alloy>
    <Window id="winIndex" background="#672432">
        <Button onClick="openWin02">GO TO WIN02</Button>
    </Window>
</Alloy>

<Alloy>
    <Window id="win02" background="#561248">
        <Button onClick="openIndex">GO TO INDEX</Button>
    </Window>
</Alloy>